34945223 has 2 divisors, whose sum is σ = 34945224. Its totient is φ = 34945222.

The previous prime is 34945219. The next prime is 34945249. The reversal of 34945223 is 32254943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34945223 - 2² = 34945219 is a prime.

It is a super-2 number, since 2×34945223² = 2442337221039458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34945223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34945423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17472611 + 17472612.

It is an arithmetic number, because the mean of its divisors is an integer number (17472612).

Almost surely, 2^34945223 is an apocalyptic number.

34945223 is a deficient number, since it is larger than the sum of its proper divisors (1).

34945223 is an equidigital number, since it uses as much as digits as its factorization.

34945223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 34945223 is about 5911.4484688611. The cubic root of 34945223 is about 326.9358950609.

The spelling of 34945223 in words is "thirty-four million, nine hundred forty-five thousand, two hundred twenty-three".