2913123233 has 4 divisors (see below), whose sum is σ = 2913314628. Its totient is φ = 2912931840.

The previous prime is 2913123221. The next prime is 2913123253. The reversal of 2913123233 is 3323213192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1611861904 + 1301261329 = 40148^2 + 36073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2913123233 - 2⁸ = 2913122977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2913123196 and 2913123205.

It is not an unprimeable number, because it can be changed into a prime (2913123253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70688 + ... + 104033.

It is an arithmetic number, because the mean of its divisors is an integer number (728328657).

Almost surely, 2^2913123233 is an apocalyptic number.

It is an amenable number.

2913123233 is a deficient number, since it is larger than the sum of its proper divisors (191395).

2913123233 is a wasteful number, since it uses less digits than its factorization.

2913123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191394.

The product of its digits is 5832, while the sum is 29.

The square root of 2913123233 is about 53973.3566956883. The cubic root of 2913123233 is about 1428.1909791274.

The spelling of 2913123233 in words is "two billion, nine hundred thirteen million, one hundred twenty-three thousand, two hundred thirty-three".