45317023 has 2 divisors, whose sum is σ = 45317024. Its totient is φ = 45317022.

The previous prime is 45317021. The next prime is 45317047. The reversal of 45317023 is 32071354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45317023 - 2¹ = 45317021 is a prime.

Together with 45317021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45317021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22658511 + 22658512.

It is an arithmetic number, because the mean of its divisors is an integer number (22658512).

Almost surely, 2^45317023 is an apocalyptic number.

45317023 is a deficient number, since it is larger than the sum of its proper divisors (1).

45317023 is an equidigital number, since it uses as much as digits as its factorization.

45317023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 45317023 is about 6731.7919605407. The cubic root of 45317023 is about 356.5226484473.

Adding to 45317023 its reverse (32071354), we get a palindrome (77388377).

The spelling of 45317023 in words is "forty-five million, three hundred seventeen thousand, twenty-three".