123632016 has 40 divisors (see below), whose sum is σ = 323889984. Its totient is φ = 40629120.

The previous prime is 123632011. The next prime is 123632023. The reversal of 123632016 is 610236321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (123632011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14731 + ... + 21546.

Almost surely, 2^123632016 is an apocalyptic number.

123632016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123632016 is an abundant number, since it is smaller than the sum of its proper divisors (200257968).

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

123632016 is a wasteful number, since it uses less digits than its factorization.

123632016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36359 (or 36353 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 123632016 is about 11118.9934796276. The cubic root of 123632016 is about 498.1693267848.

Adding to 123632016 its reverse (610236321), we get a palindrome (733868337).

The spelling of 123632016 in words is "one hundred twenty-three million, six hundred thirty-two thousand, sixteen".