351311423 has 4 divisors (see below), whose sum is σ = 363425640. Its totient is φ = 339197208.

The previous prime is 351311393. The next prime is 351311447. The reversal of 351311423 is 324113153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 351311423 - 2¹⁴ = 351295039 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 (351311483) 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, 6057065 + ... + 6057122.

It is an arithmetic number, because the mean of its divisors is an integer number (90856410).

Almost surely, 2^351311423 is an apocalyptic number.

351311423 is a deficient number, since it is larger than the sum of its proper divisors (12114217).

351311423 is a wasteful number, since it uses less digits than its factorization.

351311423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114216.

The product of its digits is 1080, while the sum is 23.

The square root of 351311423 is about 18743.3034174875. The cubic root of 351311423 is about 705.6089656452.

Adding to 351311423 its reverse (324113153), we get a palindrome (675424576).

The spelling of 351311423 in words is "three hundred fifty-one million, three hundred eleven thousand, four hundred twenty-three".