23145155155025 has 48 divisors (see below), whose sum is σ = 29178066198528. Its totient is φ = 18209045064000.

The previous prime is 23145155154959. The next prime is 23145155155061. The reversal of 23145155155025 is 52055155154132.

It is not a de Polignac number, because 23145155155025 - 2⁴⁴ = 5552969110609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3258500624 + ... + 3258507726.

It is an arithmetic number, because the mean of its divisors is an integer number (607876379136).

Almost surely, 2^{23145155155025} is an apocalyptic number.

23145155155025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23145155155025 is a deficient number, since it is larger than the sum of its proper divisors (6032911043503).

23145155155025 is a wasteful number, since it uses less digits than its factorization.

23145155155025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11582 (or 11577 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 44.

The spelling of 23145155155025 in words is "twenty-three trillion, one hundred forty-five billion, one hundred fifty-five million, one hundred fifty-five thousand, twenty-five".