23220551304 has 48 divisors (see below), whose sum is σ = 62982570300. Its totient is φ = 7728666624.

The previous prime is 23220551293. The next prime is 23220551309. The reversal of 23220551304 is 40315502232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22221864900 + 998686404 = 149070^2 + 31602^2 .

It is a super-2 number, since 2×23220551304² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23220551309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191149 + ... + 288060.

Almost surely, 2^23220551304 is an apocalyptic number.

23220551304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23220551304 is an abundant number, since it is smaller than the sum of its proper divisors (39762018996).

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

23220551304 is a wasteful number, since it uses less digits than its factorization.

23220551304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479894 (or 479887 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 23220551304 in words is "twenty-three billion, two hundred twenty million, five hundred fifty-one thousand, three hundred four".