45423023 has 2 divisors, whose sum is σ = 45423024. Its totient is φ = 45423022.

The previous prime is 45422987. The next prime is 45423041. The reversal of 45423023 is 32032454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45423023 is a prime.

It is a Sophie Germain prime.

It is equal to p_2742260 and since 45423023 and 2742260 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45423023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45423823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22711511 + 22711512.

It is an arithmetic number, because the mean of its divisors is an integer number (22711512).

Almost surely, 2^45423023 is an apocalyptic number.

45423023 is a deficient number, since it is larger than the sum of its proper divisors (1).

45423023 is an equidigital number, since it uses as much as digits as its factorization.

45423023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 45423023 is about 6739.6604513877. The cubic root of 45423023 is about 356.8004099506.

Adding to 45423023 its reverse (32032454), we get a palindrome (77455477).

The spelling of 45423023 in words is "forty-five million, four hundred twenty-three thousand, twenty-three".