123730712 has 32 divisors (see below), whose sum is σ = 265641120. Its totient is φ = 52926720.

The previous prime is 123730699. The next prime is 123730721. The reversal of 123730712 is 217037321.

It is a congruent number.

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, 32762 + ... + 36342.

It is an arithmetic number, because the mean of its divisors is an integer number (8301285).

Almost surely, 2^123730712 is an apocalyptic number.

It is an amenable number.

123730712 is an abundant number, since it is smaller than the sum of its proper divisors (141910408).

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

123730712 is a wasteful number, since it uses less digits than its factorization.

123730712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 123730712 is about 11123.4307657305. The cubic root of 123730712 is about 498.3018551373.

The spelling of 123730712 in words is "one hundred twenty-three million, seven hundred thirty thousand, seven hundred twelve".