345165487823 has 16 divisors (see below), whose sum is σ = 375529330176. Its totient is φ = 315349670880.

The previous prime is 345165487817. The next prime is 345165487831. The reversal of 345165487823 is 328784561543.

It is a cyclic number.

It is not a de Polignac number, because 345165487823 - 2¹⁴ = 345165471439 is a prime.

It is a super-3 number, since 3×345165487823³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345165487883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2430878 + ... + 2568948.

It is an arithmetic number, because the mean of its divisors is an integer number (23470583136).

Almost surely, 2^345165487823 is an apocalyptic number.

345165487823 is a deficient number, since it is larger than the sum of its proper divisors (30363842353).

345165487823 is a wasteful number, since it uses less digits than its factorization.

345165487823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140054.

The product of its digits is 19353600, while the sum is 56.

The spelling of 345165487823 in words is "three hundred forty-five billion, one hundred sixty-five million, four hundred eighty-seven thousand, eight hundred twenty-three".