623713492 has 12 divisors (see below), whose sum is σ = 1102751860. Its totient is φ = 308641536.

The previous prime is 623713483. The next prime is 623713499. The reversal of 623713492 is 294317326.

It can be written as a sum of positive squares in 2 ways, for example, as 83429956 + 540283536 = 9134^2 + 23244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623713499) 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, 803367 + ... + 804142.

Almost surely, 2^623713492 is an apocalyptic number.

It is an amenable number.

623713492 is a deficient number, since it is larger than the sum of its proper divisors (479038368).

623713492 is a wasteful number, since it uses less digits than its factorization.

623713492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607610 (or 1607608 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 623713492 is about 24974.2565855322. The cubic root of 623713492 is about 854.4009309660.

The spelling of 623713492 in words is "six hundred twenty-three million, seven hundred thirteen thousand, four hundred ninety-two".