344631323 has 2 divisors, whose sum is σ = 344631324. Its totient is φ = 344631322.

The previous prime is 344631319. The next prime is 344631337. The reversal of 344631323 is 323136443.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344631323 - 2² = 344631319 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (344631383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172315661 + 172315662.

It is an arithmetic number, because the mean of its divisors is an integer number (172315662).

Almost surely, 2^344631323 is an apocalyptic number.

344631323 is a deficient number, since it is larger than the sum of its proper divisors (1).

344631323 is an equidigital number, since it uses as much as digits as its factorization.

344631323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 29.

The square root of 344631323 is about 18564.2485169748. The cubic root of 344631323 is about 701.1079888417.

Adding to 344631323 its reverse (323136443), we get a palindrome (667767766).

The spelling of 344631323 in words is "three hundred forty-four million, six hundred thirty-one thousand, three hundred twenty-three".