345623316 has 24 divisors (see below), whose sum is σ = 819676704. Its totient is φ = 113318880.

The previous prime is 345623303. The next prime is 345623321. The reversal of 345623316 is 613326543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235350 + ... + 236813.

It is an arithmetic number, because the mean of its divisors is an integer number (34153196).

Almost surely, 2^345623316 is an apocalyptic number.

It is an amenable number.

345623316 is an abundant number, since it is smaller than the sum of its proper divisors (474053388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345623316 is a wasteful number, since it uses less digits than its factorization.

345623316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472231 (or 472229 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 345623316 is about 18590.9471517726. The cubic root of 345623316 is about 701.7800383897.

Adding to 345623316 its reverse (613326543), we get a palindrome (958949859).

The spelling of 345623316 in words is "three hundred forty-five million, six hundred twenty-three thousand, three hundred sixteen".