623247256 has 16 divisors (see below), whose sum is σ = 1168869240. Its totient is φ = 311548800.

The previous prime is 623247223. The next prime is 623247257. The reversal of 623247256 is 652742326.

It is a super-2 number, since 2×623247256² = 776874284223059072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623247257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43831 + ... + 56281.

Almost surely, 2^623247256 is an apocalyptic number.

It is an amenable number.

623247256 is a deficient number, since it is larger than the sum of its proper divisors (545621984).

623247256 is a wasteful number, since it uses less digits than its factorization.

623247256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714 (or 18710 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 623247256 is about 24964.9205085856. The cubic root of 623247256 is about 854.1879850236.

The spelling of 623247256 in words is "six hundred twenty-three million, two hundred forty-seven thousand, two hundred fifty-six".