45253723 has 2 divisors, whose sum is σ = 45253724. Its totient is φ = 45253722.

The previous prime is 45253693. The next prime is 45253751. The reversal of 45253723 is 32735254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45253723 - 2²¹ = 43156571 is a prime.

It is not a weakly prime, because it can be changed into another prime (45253123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22626861 + 22626862.

It is an arithmetic number, because the mean of its divisors is an integer number (22626862).

Almost surely, 2^45253723 is an apocalyptic number.

45253723 is a deficient number, since it is larger than the sum of its proper divisors (1).

45253723 is an equidigital number, since it uses as much as digits as its factorization.

45253723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 45253723 is about 6727.0887462557. The cubic root of 45253723 is about 356.3565710507.

Adding to 45253723 its reverse (32735254), we get a palindrome (77988977).

The spelling of 45253723 in words is "forty-five million, two hundred fifty-three thousand, seven hundred twenty-three".