344231403 has 4 divisors (see below), whose sum is σ = 458975208. Its totient is φ = 229487600.

The previous prime is 344231401. The next prime is 344231413. The reversal of 344231403 is 304132443.

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 344231403 - 2¹ = 344231401 is a prime.

It is a super-2 number, since 2×344231403² = 236990517622696818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344231401) 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, 57371898 + ... + 57371903.

It is an arithmetic number, because the mean of its divisors is an integer number (114743802).

Almost surely, 2^344231403 is an apocalyptic number.

344231403 is a deficient number, since it is larger than the sum of its proper divisors (114743805).

344231403 is a wasteful number, since it uses less digits than its factorization.

344231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114743804.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 344231403 is about 18553.4741490644. The cubic root of 344231403 is about 700.8366886488.

Adding to 344231403 its reverse (304132443), we get a palindrome (648363846).

The spelling of 344231403 in words is "three hundred forty-four million, two hundred thirty-one thousand, four hundred three".