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23122300213121 = 164183140832487
BaseRepresentation
bin1010100000111100101000…
…11111011001011110000001
310000212110200212011022210212
411100132110133121132001
511012313432323304441
6121102123231403505
74604350103651054
oct520362437313601
9100773625138725
1023122300213121
11740512674500a
12271530b683595
13cb9567719145
1459d1a7b82a9b
152a16e6494eeb
hex1507947d9781

23122300213121 has 4 divisors (see below), whose sum is σ = 23122441209792. Its totient is φ = 23122159216452.

The previous prime is 23122300213099. The next prime is 23122300213151. The reversal of 23122300213121 is 12131200322132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23122300213121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122300213151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70252061 + ... + 70580426.

It is an arithmetic number, because the mean of its divisors is an integer number (5780610302448).

Almost surely, 223122300213121 is an apocalyptic number.

It is an amenable number.

23122300213121 is a deficient number, since it is larger than the sum of its proper divisors (140996671).

23122300213121 is a wasteful number, since it uses less digits than its factorization.

23122300213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140996670.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23122300213121 its reverse (12131200322132), we get a palindrome (35253500535253).

The spelling of 23122300213121 in words is "twenty-three trillion, one hundred twenty-two billion, three hundred million, two hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 164183 140832487 23122300213121