68290623 has 12 divisors (see below), whose sum is σ = 98729280. Its totient is φ = 45486816.

The previous prime is 68290603. The next prime is 68290627. The reversal of 68290623 is 32609286.

68290623 is a `hidden beast` number, since 6 + 8 + 29 + 0 + 623 = 666.

It is not a de Polignac number, because 68290623 - 2⁶ = 68290559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68290627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10315 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (8227440).

Almost surely, 2^68290623 is an apocalyptic number.

68290623 is a deficient number, since it is larger than the sum of its proper divisors (30438657).

68290623 is a wasteful number, since it uses less digits than its factorization.

68290623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718 (or 6715 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68290623 is about 8263.8140709965. The cubic root of 68290623 is about 408.7461655505.

The spelling of 68290623 in words is "sixty-eight million, two hundred ninety thousand, six hundred twenty-three".