123730713 has 16 divisors (see below), whose sum is σ = 183963840. Its totient is φ = 82190592.

The previous prime is 123730699. The next prime is 123730721. The reversal of 123730713 is 317037321.

It is not a de Polignac number, because 123730713 - 2⁴ = 123730697 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (123730213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456 + ... + 15737.

It is an arithmetic number, because the mean of its divisors is an integer number (11497740).

Almost surely, 2^123730713 is an apocalyptic number.

It is an amenable number.

123730713 is a deficient number, since it is larger than the sum of its proper divisors (60233127).

123730713 is a wasteful number, since it uses less digits than its factorization.

123730713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16485 (or 16479 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 123730713 is about 11123.4308106807. The cubic root of 123730713 is about 498.3018564797.

The spelling of 123730713 in words is "one hundred twenty-three million, seven hundred thirty thousand, seven hundred thirteen".