1623122944 has 33 divisors (see below), whose sum is σ = 3247240027. Its totient is φ = 810916864.

The previous prime is 1623122939. The next prime is 1623122947. The reversal of 1623122944 is 4492213261.

The square root of 1623122944 is 40288.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1623122947) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1288587 + ... + 1289845.

Almost surely, 2^1623122944 is an apocalyptic number.

1623122944 is the 40288-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1623122944

1623122944 is an abundant number, since it is smaller than the sum of its proper divisors (1624117083).

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

1623122944 is an frugal number, since it uses more digits than its factorization.

1623122944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538 (or 1261 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The cubic root of 1623122944 is about 1175.2144938737.

Multiplying 1623122944 by its product of digits (20736), we get a square (33657077366784 = 5801472²).

The spelling of 1623122944 in words is "one billion, six hundred twenty-three million, one hundred twenty-two thousand, nine hundred forty-four".