345164523 has 16 divisors (see below), whose sum is σ = 506668800. Its totient is φ = 207269280.

The previous prime is 345164419. The next prime is 345164531. The reversal of 345164523 is 325461543.

It is not a de Polignac number, because 345164523 - 2⁹ = 345164011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (345164543) 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, 44383 + ... + 51576.

It is an arithmetic number, because the mean of its divisors is an integer number (31666800).

Almost surely, 2^345164523 is an apocalyptic number.

345164523 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345164523 is a deficient number, since it is larger than the sum of its proper divisors (161504277).

345164523 is a wasteful number, since it uses less digits than its factorization.

345164523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96082.

The product of its digits is 43200, while the sum is 33.

The square root of 345164523 is about 18578.6039034153. The cubic root of 345164523 is about 701.4693780792.

The spelling of 345164523 in words is "three hundred forty-five million, one hundred sixty-four thousand, five hundred twenty-three".