623390630 has 8 divisors (see below), whose sum is σ = 1122103152. Its totient is φ = 249356248.

The previous prime is 623390623. The next prime is 623390683. The reversal of 623390630 is 36093326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31169522 + ... + 31169541.

It is an arithmetic number, because the mean of its divisors is an integer number (140262894).

Almost surely, 2^623390630 is an apocalyptic number.

623390630 is a deficient number, since it is larger than the sum of its proper divisors (498712522).

623390630 is a wasteful number, since it uses less digits than its factorization.

623390630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62339070.

The product of its (nonzero) digits is 17496, while the sum is 32.

The square root of 623390630 is about 24967.7918527050. The cubic root of 623390630 is about 854.2534801420.

The spelling of 623390630 in words is "six hundred twenty-three million, three hundred ninety thousand, six hundred thirty".