623426319 has 12 divisors (see below), whose sum is σ = 903712992. Its totient is φ = 414136800.

The previous prime is 623426317. The next prime is 623426359. The reversal of 623426319 is 913624326.

623426319 is a `hidden beast` number, since 623 + 4 + 26 + 3 + 1 + 9 = 666.

623426319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623426319 - 2¹ = 623426317 is a prime.

It is a super-2 number, since 2×623426319² = 777320750443779522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623426317) 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, 120727 + ... + 125784.

It is an arithmetic number, because the mean of its divisors is an integer number (75309416).

Almost surely, 2^623426319 is an apocalyptic number.

623426319 is a deficient number, since it is larger than the sum of its proper divisors (280286673).

623426319 is a wasteful number, since it uses less digits than its factorization.

623426319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246798 (or 246795 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 623426319 is about 24968.5065432436. The cubic root of 623426319 is about 854.2697817829.

The spelling of 623426319 in words is "six hundred twenty-three million, four hundred twenty-six thousand, three hundred nineteen".