123415488 has 280 divisors, whose sum is σ = 442569600. Its totient is φ = 33219072.

The previous prime is 123415483. The next prime is 123415489. The reversal of 123415488 is 884514321.

It is a super-3 number, since 3×123415488³ (a number of 25 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123415483) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 689383 + ... + 689561.

Almost surely, 2^123415488 is an apocalyptic number.

123415488 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 123415488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221284800).

123415488 is an abundant number, since it is smaller than the sum of its proper divisors (319154112).

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

123415488 is a wasteful number, since it uses less digits than its factorization.

123415488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 210 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 123415488 is about 11109.2523600826. The cubic root of 123415488 is about 497.8783270756.

The spelling of 123415488 in words is "one hundred twenty-three million, four hundred fifteen thousand, four hundred eighty-eight".