623473838 has 16 divisors (see below), whose sum is σ = 1007867616. Its totient is φ = 287552160.

The previous prime is 623473831. The next prime is 623473841. The reversal of 623473838 is 838374326.

623473838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623473831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32348 + ... + 47888.

It is an arithmetic number, because the mean of its divisors is an integer number (62991726).

Almost surely, 2^623473838 is an apocalyptic number.

623473838 is a deficient number, since it is larger than the sum of its proper divisors (384393778).

623473838 is a wasteful number, since it uses less digits than its factorization.

623473838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17099.

The product of its digits is 580608, while the sum is 44.

The square root of 623473838 is about 24969.4581038516. The cubic root of 623473838 is about 854.2914860395.

The spelling of 623473838 in words is "six hundred twenty-three million, four hundred seventy-three thousand, eight hundred thirty-eight".