623464426 has 16 divisors (see below), whose sum is σ = 1066378824. Its totient is φ = 270825984.

The previous prime is 623464411. The next prime is 623464433. The reversal of 623464426 is 624464326.

It can be written as a sum of positive squares in 4 ways, for example, as 504676225 + 118788201 = 22465^2 + 10899^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704835 + ... + 705718.

Almost surely, 2^623464426 is an apocalyptic number.

623464426 is a deficient number, since it is larger than the sum of its proper divisors (442914398).

623464426 is a wasteful number, since it uses less digits than its factorization.

623464426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410585.

The product of its digits is 165888, while the sum is 37.

The square root of 623464426 is about 24969.2696328907. The cubic root of 623464426 is about 854.2871872053.

The spelling of 623464426 in words is "six hundred twenty-three million, four hundred sixty-four thousand, four hundred twenty-six".