123488838 has 24 divisors (see below), whose sum is σ = 291883176. Its totient is φ = 37420800.

The previous prime is 123488837. The next prime is 123488899. The reversal of 123488838 is 838884321.

It is a super-2 number, since 2×123488838² = 30498986221180488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123488793 and 123488802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123488837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311643 + ... + 312038.

It is an arithmetic number, because the mean of its divisors is an integer number (12161799).

Almost surely, 2^123488838 is an apocalyptic number.

123488838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123488838 is an abundant number, since it is smaller than the sum of its proper divisors (168394338).

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

123488838 is a wasteful number, since it uses less digits than its factorization.

123488838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623700 (or 623697 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 123488838 is about 11112.5531719763. The cubic root of 123488838 is about 497.9769428527.

The spelling of 123488838 in words is "one hundred twenty-three million, four hundred eighty-eight thousand, eight hundred thirty-eight".