1223952320 has 56 divisors (see below), whose sum is σ = 2969568864. Its totient is φ = 480336896.

The previous prime is 1223952313. The next prime is 1223952371. The reversal of 1223952320 is 232593221.

It is a super-3 number, since 3×1223952320³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19124 + ... + 53043.

Almost surely, 2^1223952320 is an apocalyptic number.

1223952320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223952320 is an abundant number, since it is smaller than the sum of its proper divisors (1745616544).

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

1223952320 is an equidigital number, since it uses as much as digits as its factorization.

1223952320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72237 (or 72227 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1223952320 is about 34985.0299413906. The cubic root of 1223952320 is about 1069.6823583297.

The spelling of 1223952320 in words is "one billion, two hundred twenty-three million, nine hundred fifty-two thousand, three hundred twenty".