45174440723 has 2 divisors, whose sum is σ = 45174440724. Its totient is φ = 45174440722.

The previous prime is 45174440719. The next prime is 45174440743. The reversal of 45174440723 is 32704447154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45174440723 - 2² = 45174440719 is a prime.

It is not a weakly prime, because it can be changed into another prime (45174440743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22587220361 + 22587220362.

It is an arithmetic number, because the mean of its divisors is an integer number (22587220362).

Almost surely, 2^45174440723 is an apocalyptic number.

45174440723 is a deficient number, since it is larger than the sum of its proper divisors (1).

45174440723 is an equidigital number, since it uses as much as digits as its factorization.

45174440723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 41.

Adding to 45174440723 its reverse (32704447154), we get a palindrome (77878887877).

The spelling of 45174440723 in words is "forty-five billion, one hundred seventy-four million, four hundred forty thousand, seven hundred twenty-three".