123917387 has 8 divisors (see below), whose sum is σ = 135885360. Its totient is φ = 112066560.

The previous prime is 123917383. The next prime is 123917393. The reversal of 123917387 is 783719321.

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

It is a cyclic number.

It is not a de Polignac number, because 123917387 - 2² = 123917383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123917383) 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, 27062 + ... + 31307.

It is an arithmetic number, because the mean of its divisors is an integer number (16985670).

Almost surely, 2^123917387 is an apocalyptic number.

123917387 is a deficient number, since it is larger than the sum of its proper divisors (11967973).

123917387 is a wasteful number, since it uses less digits than its factorization.

123917387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58573.

The product of its digits is 63504, while the sum is 41.

The square root of 123917387 is about 11131.8186744126. The cubic root of 123917387 is about 498.5523285400.

The spelling of 123917387 in words is "one hundred twenty-three million, nine hundred seventeen thousand, three hundred eighty-seven".