23012555445 has 24 divisors (see below), whose sum is σ = 43514651232. Its totient is φ = 11157602400.

The previous prime is 23012555443. The next prime is 23012555473. The reversal of 23012555445 is 54455521032.

It is not a de Polignac number, because 23012555445 - 2¹ = 23012555443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012555443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23244511 + ... + 23245500.

It is an arithmetic number, because the mean of its divisors is an integer number (1813110468).

Almost surely, 2^23012555445 is an apocalyptic number.

It is an amenable number.

23012555445 is a deficient number, since it is larger than the sum of its proper divisors (20502095787).

23012555445 is a wasteful number, since it uses less digits than its factorization.

23012555445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46490033 (or 46490030 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 23012555445 in words is "twenty-three billion, twelve million, five hundred fifty-five thousand, four hundred forty-five".