345012233 has 4 divisors (see below), whose sum is σ = 345304080. Its totient is φ = 344720388.

The previous prime is 345012193. The next prime is 345012247. The reversal of 345012233 is 332210543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345012233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345012199 and 345012208.

It is not an unprimeable number, because it can be changed into a prime (345012133) 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, 144143 + ... + 146516.

It is an arithmetic number, because the mean of its divisors is an integer number (86326020).

Almost surely, 2^345012233 is an apocalyptic number.

It is an amenable number.

345012233 is a deficient number, since it is larger than the sum of its proper divisors (291847).

345012233 is a wasteful number, since it uses less digits than its factorization.

345012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291846.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 345012233 is about 18574.5049193781. The cubic root of 345012233 is about 701.3661978281.

Adding to 345012233 its reverse (332210543), we get a palindrome (677222776).

The spelling of 345012233 in words is "three hundred forty-five million, twelve thousand, two hundred thirty-three".