1623831925 has 48 divisors (see below), whose sum is σ = 2239142400. Its totient is φ = 1162598400.

The previous prime is 1623831883. The next prime is 1623831931. The reversal of 1623831925 is 5291383261.

It is not a de Polignac number, because 1623831925 - 2⁹ = 1623831413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 776281 + ... + 778369.

It is an arithmetic number, because the mean of its divisors is an integer number (46648800).

Almost surely, 2^1623831925 is an apocalyptic number.

It is an amenable number.

1623831925 is a deficient number, since it is larger than the sum of its proper divisors (615310475).

1623831925 is a wasteful number, since it uses less digits than its factorization.

1623831925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2201 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 1623831925 is about 40296.7979497131. The cubic root of 1623831925 is about 1175.3855804130.

The spelling of 1623831925 in words is "one billion, six hundred twenty-three million, eight hundred thirty-one thousand, nine hundred twenty-five".