23751342321 has 16 divisors (see below), whose sum is σ = 36374400000. Its totient is φ = 13503991248.

The previous prime is 23751342319. The next prime is 23751342341. The reversal of 23751342321 is 12324315732.

It is not a de Polignac number, because 23751342321 - 2¹ = 23751342319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23751342341) 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, 2837571 + ... + 2845928.

It is an arithmetic number, because the mean of its divisors is an integer number (2273400000).

Almost surely, 2^23751342321 is an apocalyptic number.

23751342321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23751342321 is a deficient number, since it is larger than the sum of its proper divisors (12623057679).

23751342321 is a wasteful number, since it uses less digits than its factorization.

23751342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683708.

The product of its digits is 30240, while the sum is 33.

The spelling of 23751342321 in words is "twenty-three billion, seven hundred fifty-one million, three hundred forty-two thousand, three hundred twenty-one".