123988032 has 252 divisors, whose sum is σ = 433645056. Its totient is φ = 33707520.

The previous prime is 123988013. The next prime is 123988043. The reversal of 123988032 is 230889321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 649057 + ... + 649247.

Almost surely, 2^123988032 is an apocalyptic number.

123988032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123988032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216822528).

123988032 is an abundant number, since it is smaller than the sum of its proper divisors (309657024).

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

123988032 is a wasteful number, since it uses less digits than its factorization.

123988032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 123988032 is about 11134.9913336293. The cubic root of 123988032 is about 498.6470516972.

The spelling of 123988032 in words is "one hundred twenty-three million, nine hundred eighty-eight thousand, thirty-two".