623986320 has 80 divisors (see below), whose sum is σ = 2018477952. Its totient is φ = 159160320.

The previous prime is 623986313. The next prime is 623986327. The reversal of 623986320 is 23689326.

It is an interprime number because it is at equal distance from previous prime (623986313) and next prime (623986327).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (623986327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51001 + ... + 62040.

Almost surely, 2^623986320 is an apocalyptic number.

623986320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

623986320 is an abundant number, since it is smaller than the sum of its proper divisors (1394491632).

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

623986320 is a wasteful number, since it uses less digits than its factorization.

623986320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113080 (or 113074 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 623986320 is about 24979.7181729498. The cubic root of 623986320 is about 854.5254916390.

The spelling of 623986320 in words is "six hundred twenty-three million, nine hundred eighty-six thousand, three hundred twenty".