623431606 has 24 divisors (see below), whose sum is σ = 1135125360. Its totient is φ = 255567312.

The previous prime is 623431597. The next prime is 623431619. The reversal of 623431606 is 606134326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136041 + ... + 140548.

It is an arithmetic number, because the mean of its divisors is an integer number (47296890).

Almost surely, 2^623431606 is an apocalyptic number.

623431606 is a deficient number, since it is larger than the sum of its proper divisors (511693754).

623431606 is a wasteful number, since it uses less digits than its factorization.

623431606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276628 (or 276621 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 623431606 is about 24968.6124163919. The cubic root of 623431606 is about 854.2721966695.

The spelling of 623431606 in words is "six hundred twenty-three million, four hundred thirty-one thousand, six hundred six".