623469991032 has 144 divisors (see below), whose sum is σ = 2031981611400. Its totient is φ = 171991693440.

The previous prime is 623469991021. The next prime is 623469991087. The reversal of 623469991032 is 230199964326.

623469991032 is a `hidden beast` number, since 62 + 3 + 469 + 9 + 91 + 0 + 32 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 623469991032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2944594 + ... + 3149217.

Almost surely, 2^623469991032 is an apocalyptic number.

It is an amenable number.

623469991032 is an abundant number, since it is smaller than the sum of its proper divisors (1408511620368).

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

623469991032 is a wasteful number, since it uses less digits than its factorization.

623469991032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093866 (or 6093852 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 623469991032 in words is "six hundred twenty-three billion, four hundred sixty-nine million, nine hundred ninety-one thousand, thirty-two".