123410988 has 18 divisors (see below), whose sum is σ = 311955644. Its totient is φ = 41136984.

The previous prime is 123410983. The next prime is 123411017. The reversal of 123410988 is 889014321.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×123410988² = 30460543918272288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3428083 = 123410988 / (1 + 2 + 3 + 4 + 1 + 0 + 9 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (123410981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1714006 + ... + 1714077.

Almost surely, 2^123410988 is an apocalyptic number.

123410988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123410988 is an abundant number, since it is smaller than the sum of its proper divisors (188544656).

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

123410988 is a wasteful number, since it uses less digits than its factorization.

123410988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428093 (or 3428088 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 123410988 is about 11109.0498243549. The cubic root of 123410988 is about 497.8722757560.

The spelling of 123410988 in words is "one hundred twenty-three million, four hundred ten thousand, nine hundred eighty-eight".