123525403 has 4 divisors (see below), whose sum is σ = 130026760. Its totient is φ = 117024048.

The previous prime is 123525397. The next prime is 123525419. The reversal of 123525403 is 304525321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304525321 = 8353 ⋅36457.

It is a cyclic number.

It is not a de Polignac number, because 123525403 - 2⁵ = 123525371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123525443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250650 + ... + 3250687.

It is an arithmetic number, because the mean of its divisors is an integer number (32506690).

Almost surely, 2^123525403 is an apocalyptic number.

123525403 is a deficient number, since it is larger than the sum of its proper divisors (6501357).

123525403 is an equidigital number, since it uses as much as digits as its factorization.

123525403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501356.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 123525403 is about 11114.1982616831. The cubic root of 123525403 is about 498.0260882663.

The spelling of 123525403 in words is "one hundred twenty-three million, five hundred twenty-five thousand, four hundred three".