345312743 has 2 divisors, whose sum is σ = 345312744. Its totient is φ = 345312742.

The previous prime is 345312733. The next prime is 345312761. The reversal of 345312743 is 347213543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345312743 - 2⁴ = 345312727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345312733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172656371 + 172656372.

It is an arithmetic number, because the mean of its divisors is an integer number (172656372).

Almost surely, 2^345312743 is an apocalyptic number.

345312743 is a deficient number, since it is larger than the sum of its proper divisors (1).

345312743 is an equidigital number, since it uses as much as digits as its factorization.

345312743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 345312743 is about 18582.5924725265. The cubic root of 345312743 is about 701.5697716648.

The spelling of 345312743 in words is "three hundred forty-five million, three hundred twelve thousand, seven hundred forty-three".