123253425 has 36 divisors (see below), whose sum is σ = 221774124. Its totient is φ = 65433600.

The previous prime is 123253409. The next prime is 123253433. The reversal of 123253425 is 524352321.

It is a happy number.

123253425 is a `hidden beast` number, since 1 + 232 + 5 + 3 + 425 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 5574321 + 117679104 = 2361^2 + 10848^2 .

It is not a de Polignac number, because 123253425 - 2⁴ = 123253409 is a prime.

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, 53089 + ... + 55361.

Almost surely, 2^123253425 is an apocalyptic number.

123253425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123253425 is a deficient number, since it is larger than the sum of its proper divisors (98520699).

123253425 is a wasteful number, since it uses less digits than its factorization.

123253425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530 (or 2522 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 123253425 is about 11101.9559087577. The cubic root of 123253425 is about 497.6603020375.

The spelling of 123253425 in words is "one hundred twenty-three million, two hundred fifty-three thousand, four hundred twenty-five".