123938799 has 8 divisors (see below), whose sum is σ = 165310080. Its totient is φ = 82596696.

The previous prime is 123938797. The next prime is 123938803. The reversal of 123938799 is 997839321.

It is a happy number.

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

It is not a de Polignac number, because 123938799 - 2¹ = 123938797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123938797) 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, 6172 + ... + 16910.

It is an arithmetic number, because the mean of its divisors is an integer number (20663760).

Almost surely, 2^123938799 is an apocalyptic number.

123938799 is a deficient number, since it is larger than the sum of its proper divisors (41371281).

123938799 is a wasteful number, since it uses less digits than its factorization.

123938799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14589.

The product of its digits is 734832, while the sum is 51.

The square root of 123938799 is about 11132.7803804800. The cubic root of 123938799 is about 498.5810422605.

The spelling of 123938799 in words is "one hundred twenty-three million, nine hundred thirty-eight thousand, seven hundred ninety-nine".