344140023 has 8 divisors (see below), whose sum is σ = 461892736. Its totient is φ = 227907000.

The previous prime is 344139967. The next prime is 344140033. The reversal of 344140023 is 320041443.

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

It is not a de Polignac number, because 344140023 - 2⁸ = 344139767 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 (344140033) 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, 379393 + ... + 380298.

It is an arithmetic number, because the mean of its divisors is an integer number (57736592).

Almost surely, 2^344140023 is an apocalyptic number.

344140023 is a deficient number, since it is larger than the sum of its proper divisors (117752713).

344140023 is a wasteful number, since it uses less digits than its factorization.

344140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759845.

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

The square root of 344140023 is about 18551.0113740464. The cubic root of 344140023 is about 700.7746682328.

Adding to 344140023 its reverse (320041443), we get a palindrome (664181466).

The spelling of 344140023 in words is "three hundred forty-four million, one hundred forty thousand, twenty-three".