3123312343 has 2 divisors, whose sum is σ = 3123312344. Its totient is φ = 3123312342.

The previous prime is 3123312319. The next prime is 3123312377. The reversal of 3123312343 is 3432133213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123312343 - 2⁹ = 3123311831 is a prime.

It is a super-2 number, since 2×3123312343² = 19510159983872299298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123312943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561656171 + 1561656172.

It is an arithmetic number, because the mean of its divisors is an integer number (1561656172).

Almost surely, 2^3123312343 is an apocalyptic number.

3123312343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123312343 is an equidigital number, since it uses as much as digits as its factorization.

3123312343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 25.

The square root of 3123312343 is about 55886.6025358493. The cubic root of 3123312343 is about 1461.7456356341.

Adding to 3123312343 its reverse (3432133213), we get a palindrome (6555445556).

The spelling of 3123312343 in words is "three billion, one hundred twenty-three million, three hundred twelve thousand, three hundred forty-three".