123253402 has 8 divisors (see below), whose sum is σ = 185011200. Its totient is φ = 61583004.

The previous prime is 123253397. The next prime is 123253409. The reversal of 123253402 is 204352321.

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

It is a super-2 number, since 2×123253402² = 30382802209147208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123253409) 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, 18202 + ... + 24037.

It is an arithmetic number, because the mean of its divisors is an integer number (23126400).

Almost surely, 2^123253402 is an apocalyptic number.

123253402 is a deficient number, since it is larger than the sum of its proper divisors (61757798).

123253402 is a wasteful number, since it uses less digits than its factorization.

123253402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43700.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123253402 is about 11101.9548729041. The cubic root of 123253402 is about 497.6602710818.

The spelling of 123253402 in words is "one hundred twenty-three million, two hundred fifty-three thousand, four hundred two".