123930288 has 60 divisors (see below), whose sum is σ = 351045240. Its totient is φ = 40808448.

The previous prime is 123930277. The next prime is 123930307. The reversal of 123930288 is 882039321.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 6768 + ... + 17136.

It is an arithmetic number, because the mean of its divisors is an integer number (5850754).

Almost surely, 2^123930288 is an apocalyptic number.

123930288 is a gapful number since it is divisible by the number (18) 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 123930288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175522620).

123930288 is an abundant number, since it is smaller than the sum of its proper divisors (227114952).

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

123930288 is a wasteful number, since it uses less digits than its factorization.

123930288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466 (or 10457 counting only the distinct ones).

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

The square root of 123930288 is about 11132.3981243935. The cubic root of 123930288 is about 498.5696293147.

The spelling of 123930288 in words is "one hundred twenty-three million, nine hundred thirty thousand, two hundred eighty-eight".