45042323 has 2 divisors, whose sum is σ = 45042324. Its totient is φ = 45042322.

The previous prime is 45042269. The next prime is 45042337. The reversal of 45042323 is 32324054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45042323 - 2⁶ = 45042259 is a prime.

It is a super-2 number, since 2×45042323² = 4057621722472658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45042343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22521161 + 22521162.

It is an arithmetic number, because the mean of its divisors is an integer number (22521162).

Almost surely, 2^45042323 is an apocalyptic number.

45042323 is a deficient number, since it is larger than the sum of its proper divisors (1).

45042323 is an equidigital number, since it uses as much as digits as its factorization.

45042323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 45042323 is about 6711.3577612879. The cubic root of 45042323 is about 355.8008054310.

Adding to 45042323 its reverse (32324054), we get a palindrome (77366377).

The spelling of 45042323 in words is "forty-five million, forty-two thousand, three hundred twenty-three".