623321285 has 16 divisors (see below), whose sum is σ = 773127936. Its totient is φ = 482152128.

The previous prime is 623321267. The next prime is 623321311. The reversal of 623321285 is 582123326.

It is a cyclic number.

It is not a de Polignac number, because 623321285 - 2⁸ = 623321029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3527 + ... + 35483.

It is an arithmetic number, because the mean of its divisors is an integer number (48320496).

Almost surely, 2^623321285 is an apocalyptic number.

It is an amenable number.

623321285 is a deficient number, since it is larger than the sum of its proper divisors (149806651).

623321285 is a wasteful number, since it uses less digits than its factorization.

623321285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32092.

The product of its digits is 17280, while the sum is 32.

The square root of 623321285 is about 24966.4031249998. The cubic root of 623321285 is about 854.2218036931.

The spelling of 623321285 in words is "six hundred twenty-three million, three hundred twenty-one thousand, two hundred eighty-five".