123238715 has 8 divisors (see below), whose sum is σ = 154316448. Its totient is φ = 94304320.

The previous prime is 123238711. The next prime is 123238723. The reversal of 123238715 is 517832321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123238715 - 2² = 123238711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123238711) 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, 535706 + ... + 535935.

It is an arithmetic number, because the mean of its divisors is an integer number (19289556).

Almost surely, 2^123238715 is an apocalyptic number.

123238715 is a deficient number, since it is larger than the sum of its proper divisors (31077733).

123238715 is a wasteful number, since it uses less digits than its factorization.

123238715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071669.

The product of its digits is 10080, while the sum is 32.

The square root of 123238715 is about 11101.2933931142. The cubic root of 123238715 is about 497.6405030629.

The spelling of 123238715 in words is "one hundred twenty-three million, two hundred thirty-eight thousand, seven hundred fifteen".