623042474 has 8 divisors (see below), whose sum is σ = 943138020. Its totient is φ = 308663136.

The previous prime is 623042449. The next prime is 623042477. The reversal of 623042474 is 474240326.

It can be written as a sum of positive squares in 2 ways, for example, as 510534025 + 112508449 = 22595^2 + 10607^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 623042474.

It is not an unprimeable number, because it can be changed into a prime (623042477) 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, 1428779 + ... + 1429214.

Almost surely, 2^623042474 is an apocalyptic number.

623042474 is a deficient number, since it is larger than the sum of its proper divisors (320095546).

623042474 is a wasteful number, since it uses less digits than its factorization.

623042474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858104.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 623042474 is about 24960.8187766347. The cubic root of 623042474 is about 854.0944205065.

The spelling of 623042474 in words is "six hundred twenty-three million, forty-two thousand, four hundred seventy-four".