345693233 has 2 divisors, whose sum is σ = 345693234. Its totient is φ = 345693232.

The previous prime is 345693217. The next prime is 345693241. The reversal of 345693233 is 332396543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187361344 + 158331889 = 13688^2 + 12583^2 .

It is an emirp because it is prime and its reverse (332396543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345693233 - 2⁴ = 345693217 is a prime.

It is a super-2 number, since 2×345693233² = 239007622683984578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345693203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172846616 + 172846617.

It is an arithmetic number, because the mean of its divisors is an integer number (172846617).

Almost surely, 2^345693233 is an apocalyptic number.

It is an amenable number.

345693233 is a deficient number, since it is larger than the sum of its proper divisors (1).

345693233 is an equidigital number, since it uses as much as digits as its factorization.

345693233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 38.

The square root of 345693233 is about 18592.8274611475. The cubic root of 345693233 is about 701.8273568088.

The spelling of 345693233 in words is "three hundred forty-five million, six hundred ninety-three thousand, two hundred thirty-three".