623053642 has 8 divisors (see below), whose sum is σ = 934727076. Its totient is φ = 311477952.

The previous prime is 623053609. The next prime is 623053663. The reversal of 623053642 is 246350326.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 586559961 + 36493681 = 24219^2 + 6041^2 .

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, 5593 + ... + 35740.

Almost surely, 2^623053642 is an apocalyptic number.

623053642 is a deficient number, since it is larger than the sum of its proper divisors (311673434).

623053642 is a wasteful number, since it uses less digits than its factorization.

623053642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48872.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 623053642 is about 24961.0424862424. The cubic root of 623053642 is about 854.0995236736.

The spelling of 623053642 in words is "six hundred twenty-three million, fifty-three thousand, six hundred forty-two".