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23013331223 = 163191410217
BaseRepresentation
bin10101011011101100…
…111001000100010111
32012101211122100120212
4111123230321010113
5334112403044343
614323331320035
71443202042061
oct253354710427
965354570525
1023013331223
11983a475403
12456315001b
132229a7906c
14118459c731
158ea594c18
hex55bb39117

23013331223 has 4 divisors (see below), whose sum is σ = 23014757760. Its totient is φ = 23011904688.

The previous prime is 23013331219. The next prime is 23013331261. The reversal of 23013331223 is 32213331032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23013331223 - 22 = 23013331219 is a prime.

It is a super-2 number, since 2×230133312232 (a number of 22 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 (23013331123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688790 + ... + 721427.

It is an arithmetic number, because the mean of its divisors is an integer number (5753689440).

Almost surely, 223013331223 is an apocalyptic number.

23013331223 is a deficient number, since it is larger than the sum of its proper divisors (1426537).

23013331223 is a wasteful number, since it uses less digits than its factorization.

23013331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426536.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23013331223 its reverse (32213331032), we get a palindrome (55226662255).

The spelling of 23013331223 in words is "twenty-three billion, thirteen million, three hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 16319 1410217 23013331223