23032312545 has 16 divisors (see below), whose sum is σ = 40201854912. Its totient is φ = 11167181760.

The previous prime is 23032312507. The next prime is 23032312559. The reversal of 23032312545 is 54521323032.

It is not a de Polignac number, because 23032312545 - 2⁶ = 23032312481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69794722 + ... + 69795051.

It is an arithmetic number, because the mean of its divisors is an integer number (2512615932).

Almost surely, 2^23032312545 is an apocalyptic number.

It is an amenable number.

23032312545 is a deficient number, since it is larger than the sum of its proper divisors (17169542367).

23032312545 is a wasteful number, since it uses less digits than its factorization.

23032312545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139589792.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 23032312545 its reverse (54521323032), we get a palindrome (77553635577).

The spelling of 23032312545 in words is "twenty-three billion, thirty-two million, three hundred twelve thousand, five hundred forty-five".