345156605823 has 4 divisors (see below), whose sum is σ = 460208807768. Its totient is φ = 230104403880.

The previous prime is 345156605789. The next prime is 345156605867. The reversal of 345156605823 is 328506651543.

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

It is not a de Polignac number, because 345156605823 - 2¹⁰ = 345156604799 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 (345156615823) 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, 57526100968 + ... + 57526100973.

It is an arithmetic number, because the mean of its divisors is an integer number (115052201942).

Almost surely, 2^345156605823 is an apocalyptic number.

345156605823 is a deficient number, since it is larger than the sum of its proper divisors (115052201945).

345156605823 is a wasteful number, since it uses less digits than its factorization.

345156605823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115052201944.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 345156605823 in words is "three hundred forty-five billion, one hundred fifty-six million, six hundred five thousand, eight hundred twenty-three".