123763136 has 28 divisors (see below), whose sum is σ = 280678128. Its totient is φ = 53041152.

The previous prime is 123763127. The next prime is 123763139. The reversal of 123763136 is 631367321.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123763139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137681 + ... + 138576.

Almost surely, 2^123763136 is an apocalyptic number.

123763136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123763136 is an abundant number, since it is smaller than the sum of its proper divisors (156914992).

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

123763136 is an equidigital number, since it uses as much as digits as its factorization.

123763136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276276 (or 276266 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 123763136 is about 11124.8881342690. Note that the first 3 decimals coincide. The cubic root of 123763136 is about 498.3453784953.

The spelling of 123763136 in words is "one hundred twenty-three million, seven hundred sixty-three thousand, one hundred thirty-six".