33297923 has 2 divisors, whose sum is σ = 33297924. Its totient is φ = 33297922.

The previous prime is 33297877. The next prime is 33297941. The reversal of 33297923 is 32979233.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33297923 is a prime.

It is a super-2 number, since 2×33297923² = 2217503352227858, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (33297023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16648961 + 16648962.

It is an arithmetic number, because the mean of its divisors is an integer number (16648962).

Almost surely, 2^33297923 is an apocalyptic number.

33297923 is a deficient number, since it is larger than the sum of its proper divisors (1).

33297923 is an equidigital number, since it uses as much as digits as its factorization.

33297923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 38.

The square root of 33297923 is about 5770.4352522145. The cubic root of 33297923 is about 321.7157934876.

The spelling of 33297923 in words is "thirty-three million, two hundred ninety-seven thousand, nine hundred twenty-three".