123730632 has 32 divisors (see below), whose sum is σ = 343696800. Its totient is φ = 41243472.

The previous prime is 123730619. The next prime is 123730657. The reversal of 123730632 is 236037321.

123730632 is a `hidden beast` number, since 1 + 23 + 7 + 3 + 0 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 123730596 and 123730605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286198 + ... + 286629.

It is an arithmetic number, because the mean of its divisors is an integer number (10740525).

Almost surely, 2^123730632 is an apocalyptic number.

123730632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123730632 is an abundant number, since it is smaller than the sum of its proper divisors (219966168).

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

123730632 is a wasteful number, since it uses less digits than its factorization.

123730632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572842 (or 572832 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 123730632 is about 11123.4271697171. The cubic root of 123730632 is about 498.3017477424.

Adding to 123730632 its reverse (236037321), we get a palindrome (359767953).

The spelling of 123730632 in words is "one hundred twenty-three million, seven hundred thirty thousand, six hundred thirty-two".