23221695376 has 40 divisors (see below), whose sum is σ = 49568220288. Its totient is φ = 10450800000.

The previous prime is 23221695347. The next prime is 23221695379. The reversal of 23221695376 is 67359612232.

It is a super-2 number, since 2×23221695376² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23221695379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635400 + ... + 670951.

Almost surely, 2^23221695376 is an apocalyptic number.

It is an amenable number.

23221695376 is an abundant number, since it is smaller than the sum of its proper divisors (26346524912).

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

23221695376 is a wasteful number, since it uses less digits than its factorization.

23221695376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306471 (or 1306465 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The spelling of 23221695376 in words is "twenty-three billion, two hundred twenty-one million, six hundred ninety-five thousand, three hundred seventy-six".