345712623 has 4 divisors (see below), whose sum is σ = 460950168. Its totient is φ = 230475080.

The previous prime is 345712603. The next prime is 345712637. The reversal of 345712623 is 326217543.

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 345712623 - 2¹⁰ = 345711599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345712603) 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, 57618768 + ... + 57618773.

It is an arithmetic number, because the mean of its divisors is an integer number (115237542).

Almost surely, 2^345712623 is an apocalyptic number.

345712623 is a deficient number, since it is larger than the sum of its proper divisors (115237545).

345712623 is a wasteful number, since it uses less digits than its factorization.

345712623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115237544.

The product of its digits is 30240, while the sum is 33.

The square root of 345712623 is about 18593.3488914719. The cubic root of 345712623 is about 701.8404784407.

The spelling of 345712623 in words is "three hundred forty-five million, seven hundred twelve thousand, six hundred twenty-three".