344321132 has 12 divisors (see below), whose sum is σ = 628760496. Its totient is φ = 164675280.

The previous prime is 344321129. The next prime is 344321137. The reversal of 344321132 is 231123443.

It is a super-2 number, since 2×344321132² = 237114083883522848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 344321098 and 344321107.

It is not an unprimeable number, because it can be changed into a prime (344321137) 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, 1871219 + ... + 1871402.

It is an arithmetic number, because the mean of its divisors is an integer number (52396708).

Almost surely, 2^344321132 is an apocalyptic number.

It is an amenable number.

344321132 is a deficient number, since it is larger than the sum of its proper divisors (284439364).

344321132 is a wasteful number, since it uses less digits than its factorization.

344321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742648 (or 3742646 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 344321132 is about 18555.8921100550. The cubic root of 344321132 is about 700.8975778370.

Adding to 344321132 its reverse (231123443), we get a palindrome (575444575).

The spelling of 344321132 in words is "three hundred forty-four million, three hundred twenty-one thousand, one hundred thirty-two".