1623263425 has 36 divisors (see below), whose sum is σ = 2363150460. Its totient is φ = 1102792320.

The previous prime is 1623263413. The next prime is 1623263441. The reversal of 1623263425 is 5243623261.

It can be written as a sum of positive squares in 6 ways, for example, as 164634561 + 1458628864 = 12831^2 + 38192^2 .

It is not a de Polignac number, because 1623263425 - 2⁹ = 1623262913 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127447 + ... + 139603.

Almost surely, 2^1623263425 is an apocalyptic number.

It is an amenable number.

1623263425 is a deficient number, since it is larger than the sum of its proper divisors (739887035).

1623263425 is a wasteful number, since it uses less digits than its factorization.

1623263425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12290 (or 12278 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 1623263425 is about 40289.7434218685. The cubic root of 1623263425 is about 1175.2483977636.

Adding to 1623263425 its reverse (5243623261), we get a palindrome (6866886686).

The spelling of 1623263425 in words is "one billion, six hundred twenty-three million, two hundred sixty-three thousand, four hundred twenty-five".