123329997 has 24 divisors (see below), whose sum is σ = 210163200. Its totient is φ = 68199840.

The previous prime is 123329963. The next prime is 123330023. The reversal of 123329997 is 799923321.

It is a happy number.

It is not a de Polignac number, because 123329997 - 2¹⁰ = 123328973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123329597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29622 + ... + 33527.

It is an arithmetic number, because the mean of its divisors is an integer number (8756800).

Almost surely, 2^123329997 is an apocalyptic number.

It is an amenable number.

123329997 is a deficient number, since it is larger than the sum of its proper divisors (86833203).

123329997 is a wasteful number, since it uses less digits than its factorization.

123329997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63193 (or 63190 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 123329997 is about 11105.4039548321. The cubic root of 123329997 is about 497.7633389470.

The spelling of 123329997 in words is "one hundred twenty-three million, three hundred twenty-nine thousand, nine hundred ninety-seven".