123888830 has 32 divisors (see below), whose sum is σ = 241617600. Its totient is φ = 45735456.

The previous prime is 123888799. The next prime is 123888859. The reversal of 123888830 is 38888321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19151 + ... + 24789.

It is an arithmetic number, because the mean of its divisors is an integer number (7550550).

Almost surely, 2^123888830 is an apocalyptic number.

123888830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123888830 is a deficient number, since it is larger than the sum of its proper divisors (117728770).

123888830 is an equidigital number, since it uses as much as digits as its factorization.

123888830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 123888830 is about 11130.5359260010. The cubic root of 123888830 is about 498.5140281502.

The spelling of 123888830 in words is "one hundred twenty-three million, eight hundred eighty-eight thousand, eight hundred thirty".