23145394332 has 24 divisors (see below), whose sum is σ = 54261878272. Its totient is φ = 7678566000.

The previous prime is 23145394301. The next prime is 23145394343. The reversal of 23145394332 is 23349354132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4568044 + ... + 4573107.

Almost surely, 2^23145394332 is an apocalyptic number.

It is an amenable number.

23145394332 is an abundant number, since it is smaller than the sum of its proper divisors (31116483940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23145394332 is a wasteful number, since it uses less digits than its factorization.

23145394332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141369 (or 9141367 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The spelling of 23145394332 in words is "twenty-three billion, one hundred forty-five million, three hundred ninety-four thousand, three hundred thirty-two".