623907012 has 12 divisors (see below), whose sum is σ = 1455783056. Its totient is φ = 207969000.

The previous prime is 623907001. The next prime is 623907017. The reversal of 623907012 is 210709326.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (623907017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25996114 + ... + 25996137.

Almost surely, 2^623907012 is an apocalyptic number.

It is an amenable number.

623907012 is an abundant number, since it is smaller than the sum of its proper divisors (831876044).

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

623907012 is a wasteful number, since it uses less digits than its factorization.

623907012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51992258 (or 51992256 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 623907012 is about 24978.1306746522. The cubic root of 623907012 is about 854.4892870103.

The spelling of 623907012 in words is "six hundred twenty-three million, nine hundred seven thousand, twelve".