345211233 has 16 divisors (see below), whose sum is σ = 471236736. Its totient is φ = 224726400.

The previous prime is 345211213. The next prime is 345211241. The reversal of 345211233 is 332112543.

It is not a de Polignac number, because 345211233 - 2⁵ = 345211201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14316 + ... + 29922.

It is an arithmetic number, because the mean of its divisors is an integer number (29452296).

Almost surely, 2^345211233 is an apocalyptic number.

It is an amenable number.

345211233 is a deficient number, since it is larger than the sum of its proper divisors (126025503).

345211233 is a wasteful number, since it uses less digits than its factorization.

345211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15784.

The product of its digits is 2160, while the sum is 24.

The square root of 345211233 is about 18579.8609521169. The cubic root of 345211233 is about 701.5010191803.

Adding to 345211233 its reverse (332112543), we get a palindrome (677323776).

The spelling of 345211233 in words is "three hundred forty-five million, two hundred eleven thousand, two hundred thirty-three".