1623103925 has 12 divisors (see below), whose sum is σ = 2023774116. Its totient is φ = 1291305600.

The previous prime is 1623103919. The next prime is 1623103957. The reversal of 1623103925 is 5293013261.

It can be written as a sum of positive squares in 6 ways, for example, as 56685841 + 1566418084 = 7529^2 + 39578^2 .

It is not a de Polignac number, because 1623103925 - 2³⁰ = 549362101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1623103891 and 1623103900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174824 + ... + 183873.

It is an arithmetic number, because the mean of its divisors is an integer number (168647843).

Almost surely, 2^1623103925 is an apocalyptic number.

It is an amenable number.

1623103925 is a deficient number, since it is larger than the sum of its proper divisors (400670191).

1623103925 is a wasteful number, since it uses less digits than its factorization.

1623103925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358888 (or 358883 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1623103925 is about 40287.7639612823. The cubic root of 1623103925 is about 1175.2099036501.

The spelling of 1623103925 in words is "one billion, six hundred twenty-three million, one hundred three thousand, nine hundred twenty-five".