123522930 has 48 divisors (see below), whose sum is σ = 321735960. Its totient is φ = 32880384.

The previous prime is 123522881. The next prime is 123522943. The reversal of 123522930 is 39225321.

It can be written as a sum of positive squares in 4 ways, for example, as 103245921 + 20277009 = 10161^2 + 4503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123522894 and 123522903.

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 23 ways as a sum of consecutive naturals, for example, 75966 + ... + 77574.

Almost surely, 2^123522930 is an apocalyptic number.

123522930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123522930 is an abundant number, since it is smaller than the sum of its proper divisors (198213030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123522930 is a wasteful number, since it uses less digits than its factorization.

123522930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 123522930 is about 11114.0870070375. The cubic root of 123522930 is about 498.0227647212.

The spelling of 123522930 in words is "one hundred twenty-three million, five hundred twenty-two thousand, nine hundred thirty".