623853433400 has 48 divisors (see below), whose sum is σ = 1485836306640. Its totient is φ = 243454995200.

The previous prime is 623853433397. The next prime is 623853433417. The reversal of 623853433400 is 4334358326.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 11 ways as a sum of consecutive naturals, for example, 38031644 + ... + 38048043.

It is an arithmetic number, because the mean of its divisors is an integer number (30954923055).

Almost surely, 2^623853433400 is an apocalyptic number.

It is an amenable number.

623853433400 is an abundant number, since it is smaller than the sum of its proper divisors (861982873240).

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

623853433400 is a wasteful number, since it uses less digits than its factorization.

623853433400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76079744 (or 76079735 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 623853433400 in words is "six hundred twenty-three billion, eight hundred fifty-three million, four hundred thirty-three thousand, four hundred".