623433970 has 8 divisors (see below), whose sum is σ = 1122181164. Its totient is φ = 249373584.

The previous prime is 623433961. The next prime is 623434027. The reversal of 623433970 is 79334326.

It can be written as a sum of positive squares in 2 ways, for example, as 585204481 + 38229489 = 24191^2 + 6183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31171689 + ... + 31171708.

Almost surely, 2^623433970 is an apocalyptic number.

623433970 is a deficient number, since it is larger than the sum of its proper divisors (498747194).

623433970 is a wasteful number, since it uses less digits than its factorization.

623433970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62343404.

The product of its (nonzero) digits is 81648, while the sum is 37.

The square root of 623433970 is about 24968.6597557818. The cubic root of 623433970 is about 854.2732764441.

It can be divided in two parts, 623433 and 970, that added together give a triangular number (624403 = T₁₁₁₇).

The spelling of 623433970 in words is "six hundred twenty-three million, four hundred thirty-three thousand, nine hundred seventy".