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23130330123213 = 325539214639717
BaseRepresentation
bin1010100001001011100110…
…00111000100101111001101
310000220020102110212000122100
411100211303013010233031
511012431404002420323
6121105532120305313
74605053100033465
oct520456307045715
9100806373760570
1023130330123213
117408577391345
122716990912239
13cba247202331
1459d72a3d4ba5
152a1a163ec943
hex1509731c4bcd

23130330123213 has 12 divisors (see below), whose sum is σ = 33410544361948. Its totient is φ = 15420188920320.

The previous prime is 23130330123191. The next prime is 23130330123217. The reversal of 23130330123213 is 31232103303132.

23130330123213 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 0 + 330 + 1 + 2 + 321 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21103200567684 + 2027129555529 = 4593822^2 + 1423773^2 .

It is not a de Polignac number, because 23130330123213 - 228 = 23130061687757 is a prime.

It is a super-2 number, since 2×231303301232132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130330123217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2665431 + ... + 7305147.

Almost surely, 223130330123213 is an apocalyptic number.

It is an amenable number.

23130330123213 is a deficient number, since it is larger than the sum of its proper divisors (10280214238735).

23130330123213 is a wasteful number, since it uses less digits than its factorization.

23130330123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193644 (or 5193641 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 23130330123213 its reverse (31232103303132), we get a palindrome (54362433426345).

The spelling of 23130330123213 in words is "twenty-three trillion, one hundred thirty billion, three hundred thirty million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 3 9 553921 1661763 4639717 4985289 13919151 41757453 2570036680357 7710110041071 23130330123213