23322320240 has 20 divisors (see below), whose sum is σ = 54224394744. Its totient is φ = 9328928064.

The previous prime is 23322320237. The next prime is 23322320251. The reversal of 23322320240 is 4202322332.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×23322320240² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145764422 + ... + 145764581.

Almost surely, 2^23322320240 is an apocalyptic number.

23322320240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23322320240 is an abundant number, since it is smaller than the sum of its proper divisors (30902074504).

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

23322320240 is a wasteful number, since it uses less digits than its factorization.

23322320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291529016 (or 291529010 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 23322320240 its reverse (4202322332), we get a palindrome (27524642572).

The spelling of 23322320240 in words is "twenty-three billion, three hundred twenty-two million, three hundred twenty thousand, two hundred forty".