623423464 has 16 divisors (see below), whose sum is σ = 1219741920. Its totient is φ = 298158960.

The previous prime is 623423443. The next prime is 623423467. The reversal of 623423464 is 464324326.

623423464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×623423464³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (623423467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693902 + ... + 1694269.

It is an arithmetic number, because the mean of its divisors is an integer number (76233870).

Almost surely, 2^623423464 is an apocalyptic number.

It is an amenable number.

623423464 is a deficient number, since it is larger than the sum of its proper divisors (596318456).

623423464 is a wasteful number, since it uses less digits than its factorization.

623423464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388200 (or 3388196 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

The square root of 623423464 is about 24968.4493711564. The cubic root of 623423464 is about 854.2684777293.

The spelling of 623423464 in words is "six hundred twenty-three million, four hundred twenty-three thousand, four hundred sixty-four".