23221370375 has 16 divisors (see below), whose sum is σ = 33120310080. Its totient is φ = 15923224800.

The previous prime is 23221370317. The next prime is 23221370399. The reversal of 23221370375 is 57307312232.

It is not a de Polignac number, because 23221370375 - 2¹² = 23221366279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent 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, 13268480 + ... + 13270229.

It is an arithmetic number, because the mean of its divisors is an integer number (2070019380).

Almost surely, 2^23221370375 is an apocalyptic number.

23221370375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23221370375 is a deficient number, since it is larger than the sum of its proper divisors (9898939705).

23221370375 is an equidigital number, since it uses as much as digits as its factorization.

23221370375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26538731 (or 26538721 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The spelling of 23221370375 in words is "twenty-three billion, two hundred twenty-one million, three hundred seventy thousand, three hundred seventy-five".