23401220332 has 12 divisors (see below), whose sum is σ = 46802440720. Its totient is φ = 10029094416.

The previous prime is 23401220309. The next prime is 23401220333. The reversal of 23401220332 is 23302210432.

23401220332 is an admirable number.

It is a super-2 number, since 2×23401220332² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23401220333) 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 3 ways as a sum of consecutive naturals, for example, 417878907 + ... + 417878962.

Almost surely, 2^23401220332 is an apocalyptic number.

It is an amenable number.

23401220332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23401220332 is a wasteful number, since it uses less digits than its factorization.

23401220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835757880 (or 835757878 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23401220332 its reverse (23302210432), we get a palindrome (46703430764).

The spelling of 23401220332 in words is "twenty-three billion, four hundred one million, two hundred twenty thousand, three hundred thirty-two".