346872623 has 4 divisors (see below), whose sum is σ = 352751880. Its totient is φ = 340993368.

The previous prime is 346872613. The next prime is 346872649. The reversal of 346872623 is 326278643.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346872623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346872613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2939540 + ... + 2939657.

It is an arithmetic number, because the mean of its divisors is an integer number (88187970).

Almost surely, 2^346872623 is an apocalyptic number.

346872623 is a deficient number, since it is larger than the sum of its proper divisors (5879257).

346872623 is an equidigital number, since it uses as much as digits as its factorization.

346872623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879256.

The product of its digits is 290304, while the sum is 41.

The square root of 346872623 is about 18624.5167185621. The cubic root of 346872623 is about 702.6245844823.

The spelling of 346872623 in words is "three hundred forty-six million, eight hundred seventy-two thousand, six hundred twenty-three".