123992313 has 8 divisors (see below), whose sum is σ = 171024000. Its totient is φ = 79811088.

The previous prime is 123992311. The next prime is 123992329. The reversal of 123992313 is 313299321.

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

It is not a de Polignac number, because 123992313 - 2¹ = 123992311 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (123992311) 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, 712513 + ... + 712686.

It is an arithmetic number, because the mean of its divisors is an integer number (21378000).

Almost surely, 2^123992313 is an apocalyptic number.

It is an amenable number.

123992313 is a deficient number, since it is larger than the sum of its proper divisors (47031687).

123992313 is a wasteful number, since it uses less digits than its factorization.

123992313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425231.

The product of its digits is 8748, while the sum is 33.

The square root of 123992313 is about 11135.1835638215. The cubic root of 123992313 is about 498.6527906475.

The spelling of 123992313 in words is "one hundred twenty-three million, nine hundred ninety-two thousand, three hundred thirteen".