23231322545 has 16 divisors (see below), whose sum is σ = 30203902080. Its totient is φ = 17085030144.

The previous prime is 23231322529. The next prime is 23231322547. The reversal of 23231322545 is 54522313232.

It is a cyclic number.

It is not a de Polignac number, because 23231322545 - 2⁴ = 23231322529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23231322547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174365 + ... + 3181674.

It is an arithmetic number, because the mean of its divisors is an integer number (1887743880).

Almost surely, 2^23231322545 is an apocalyptic number.

It is an amenable number.

23231322545 is a deficient number, since it is larger than the sum of its proper divisors (6972579535).

23231322545 is a wasteful number, since it uses less digits than its factorization.

23231322545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356104.

The product of its digits is 43200, while the sum is 32.

Adding to 23231322545 its reverse (54522313232), we get a palindrome (77753635777).

The spelling of 23231322545 in words is "twenty-three billion, two hundred thirty-one million, three hundred twenty-two thousand, five hundred forty-five".