23045521431 has 8 divisors (see below), whose sum is σ = 30743282304. Its totient is φ = 15355720760.

The previous prime is 23045521423. The next prime is 23045521459. The reversal of 23045521431 is 13412554032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23045521431 - 2³ = 23045521423 is a prime.

It is a super-2 number, since 2×23045521431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045521231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983291 + ... + 1994876.

It is an arithmetic number, because the mean of its divisors is an integer number (3842910288).

Almost surely, 2^23045521431 is an apocalyptic number.

23045521431 is a deficient number, since it is larger than the sum of its proper divisors (7697760873).

23045521431 is a wasteful number, since it uses less digits than its factorization.

23045521431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980101.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 23045521431 in words is "twenty-three billion, forty-five million, five hundred twenty-one thousand, four hundred thirty-one".