122923438 has 8 divisors (see below), whose sum is σ = 201147480. Its totient is φ = 55874280.

The previous prime is 122923433. The next prime is 122923439. The reversal of 122923438 is 834329221.

It is a happy number.

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

It is a super-2 number, since 2×122923438² = 30220343219479688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122923433) 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, 2793693 + ... + 2793736.

It is an arithmetic number, because the mean of its divisors is an integer number (25143435).

Almost surely, 2^122923438 is an apocalyptic number.

122923438 is a deficient number, since it is larger than the sum of its proper divisors (78224042).

122923438 is a wasteful number, since it uses less digits than its factorization.

122923438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587442.

The product of its digits is 20736, while the sum is 34.

The square root of 122923438 is about 11087.0842875844. The cubic root of 122923438 is about 497.2157756334.

The spelling of 122923438 in words is "one hundred twenty-two million, nine hundred twenty-three thousand, four hundred thirty-eight".