123525603 has 12 divisors (see below), whose sum is σ = 178526920. Its totient is φ = 82303776.

The previous prime is 123525601. The next prime is 123525613. The reversal of 123525603 is 306525321.

123525603 is a `hidden beast` number, since 1 + 2 + 3 + 52 + 5 + 603 = 666.

It is not a de Polignac number, because 123525603 - 2¹ = 123525601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123525601) by changing a digit.

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, 21888 + ... + 26946.

Almost surely, 2^123525603 is an apocalyptic number.

123525603 is a deficient number, since it is larger than the sum of its proper divisors (55001317).

123525603 is a wasteful number, since it uses less digits than its factorization.

123525603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778 (or 7775 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 123525603 is about 11114.2072591796. The cubic root of 123525603 is about 498.0263570508.

It can be divided in two parts, 12352 and 5603, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 123525603 in words is "one hundred twenty-three million, five hundred twenty-five thousand, six hundred three".