345253123 has 4 divisors (see below), whose sum is σ = 363424360. Its totient is φ = 327081888.

The previous prime is 345253093. The next prime is 345253127. The reversal of 345253123 is 321352543.

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-345253123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345253091 and 345253100.

It is not an unprimeable number, because it can be changed into a prime (345253127) 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, 9085590 + ... + 9085627.

It is an arithmetic number, because the mean of its divisors is an integer number (90856090).

Almost surely, 2^345253123 is an apocalyptic number.

345253123 is a deficient number, since it is larger than the sum of its proper divisors (18171237).

345253123 is a wasteful number, since it uses less digits than its factorization.

345253123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171236.

The product of its digits is 10800, while the sum is 28.

The square root of 345253123 is about 18580.9882137630. The cubic root of 345253123 is about 701.5293928120.

The spelling of 345253123 in words is "three hundred forty-five million, two hundred fifty-three thousand, one hundred twenty-three".