23125744511 has 4 divisors (see below), whose sum is σ = 23280951000. Its totient is φ = 22970538024.

The previous prime is 23125744501. The next prime is 23125744517. The reversal of 23125744511 is 11544752132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23125744511 is a prime.

It is a super-3 number, since 3×23125744511³ (a number of 32 digits) contains 333 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 (23125744517) 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, 77603021 + ... + 77603318.

It is an arithmetic number, because the mean of its divisors is an integer number (5820237750).

Almost surely, 2^23125744511 is an apocalyptic number.

23125744511 is a deficient number, since it is larger than the sum of its proper divisors (155206489).

23125744511 is a wasteful number, since it uses less digits than its factorization.

23125744511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155206488.

The product of its digits is 33600, while the sum is 35.

The spelling of 23125744511 in words is "twenty-three billion, one hundred twenty-five million, seven hundred forty-four thousand, five hundred eleven".