344400123 has 8 divisors (see below), whose sum is σ = 470400336. Its totient is φ = 224000000.

The previous prime is 344400113. The next prime is 344400131. The reversal of 344400123 is 321004443.

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

It is a cyclic number.

It is not a de Polignac number, because 344400123 - 2⁹ = 344399611 is a prime.

It is a super-2 number, since 2×344400123² = 237222889444830258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344400123.

It is not an unprimeable number, because it can be changed into a prime (344400113) 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, 1399878 + ... + 1400123.

It is an arithmetic number, because the mean of its divisors is an integer number (58800042).

Almost surely, 2^344400123 is an apocalyptic number.

344400123 is a deficient number, since it is larger than the sum of its proper divisors (126000213).

344400123 is a wasteful number, since it uses less digits than its factorization.

344400123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800045.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 344400123 is about 18558.0204493906. The cubic root of 344400123 is about 700.9511715728.

Adding to 344400123 its reverse (321004443), we get a palindrome (665404566).

The spelling of 344400123 in words is "three hundred forty-four million, four hundred thousand, one hundred twenty-three".