623043042 has 8 divisors (see below), whose sum is σ = 1246086096. Its totient is φ = 207681012.

The previous prime is 623042999. The next prime is 623043061. The reversal of 623043042 is 240340326.

It is a happy number.

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

623043042 is an admirable number.

It is a super-2 number, since 2×623043042² = 776365264369227528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51920248 + ... + 51920259.

It is an arithmetic number, because the mean of its divisors is an integer number (155760762).

Almost surely, 2^623043042 is an apocalyptic number.

623043042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623043042 is a wasteful number, since it uses less digits than its factorization.

623043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103840512.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 623043042 is about 24960.8301544640. The cubic root of 623043042 is about 854.0946800530.

Adding to 623043042 its reverse (240340326), we get a palindrome (863383368).

The spelling of 623043042 in words is "six hundred twenty-three million, forty-three thousand, forty-two".