623902051 has 4 divisors (see below), whose sum is σ = 623952400. Its totient is φ = 623851704.

The previous prime is 623902039. The next prime is 623902087. The reversal of 623902051 is 150209326.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 623902051 - 2¹¹ = 623900003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623902651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885 + ... + 36193.

It is an arithmetic number, because the mean of its divisors is an integer number (155988100).

Almost surely, 2^623902051 is an apocalyptic number.

623902051 is a deficient number, since it is larger than the sum of its proper divisors (50349).

623902051 is a wasteful number, since it uses less digits than its factorization.

623902051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50348.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 623902051 is about 24978.0313675838. The cubic root of 623902051 is about 854.4870221788.

The spelling of 623902051 in words is "six hundred twenty-three million, nine hundred two thousand, fifty-one".