123352399 has 4 divisors (see below), whose sum is σ = 127605960. Its totient is φ = 119098840.

The previous prime is 123352387. The next prime is 123352469. The reversal of 123352399 is 993253321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993253321 = 23 ⋅43184927.

It is a cyclic number.

It is not a de Polignac number, because 123352399 - 2⁵ = 123352367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123352349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126737 + ... + 2126794.

It is an arithmetic number, because the mean of its divisors is an integer number (31901490).

Almost surely, 2^123352399 is an apocalyptic number.

123352399 is a deficient number, since it is larger than the sum of its proper divisors (4253561).

123352399 is an equidigital number, since it uses as much as digits as its factorization.

123352399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253560.

The product of its digits is 43740, while the sum is 37.

The square root of 123352399 is about 11106.4125171002. The cubic root of 123352399 is about 497.7934754899.

The spelling of 123352399 in words is "one hundred twenty-three million, three hundred fifty-two thousand, three hundred ninety-nine".