431326123 has 8 divisors (see below), whose sum is σ = 433152000. Its totient is φ = 429505128.

The previous prime is 431326099. The next prime is 431326151. The reversal of 431326123 is 321623134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431326123 is a prime.

It is a super-2 number, since 2×431326123² = 372084448764422258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431326223) 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, 336598 + ... + 337876.

It is an arithmetic number, because the mean of its divisors is an integer number (54144000).

Almost surely, 2^431326123 is an apocalyptic number.

431326123 is a deficient number, since it is larger than the sum of its proper divisors (1825877).

431326123 is a wasteful number, since it uses less digits than its factorization.

431326123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441.

The product of its digits is 2592, while the sum is 25.

The square root of 431326123 is about 20768.3924028799. The cubic root of 431326123 is about 755.5593550903.

Adding to 431326123 its reverse (321623134), we get a palindrome (752949257).

The spelling of 431326123 in words is "four hundred thirty-one million, three hundred twenty-six thousand, one hundred twenty-three".