344320234312 has 64 divisors (see below), whose sum is σ = 672478200000. Its totient is φ = 165077256960.

The previous prime is 344320234309. The next prime is 344320234319. The reversal of 344320234312 is 213432023443.

It is a happy number.

It is a super-2 number, since 2×344320234312² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344320234319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34089439 + ... + 34099537.

It is an arithmetic number, because the mean of its divisors is an integer number (10507471875).

Almost surely, 2^344320234312 is an apocalyptic number.

It is an amenable number.

344320234312 is a deficient number, since it is larger than the sum of its proper divisors (328157965688).

344320234312 is a wasteful number, since it uses less digits than its factorization.

344320234312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134 (or 11130 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 344320234312 its reverse (213432023443), we get a palindrome (557752257755).

The spelling of 344320234312 in words is "three hundred forty-four billion, three hundred twenty million, two hundred thirty-four thousand, three hundred twelve".