45597823 has 2 divisors, whose sum is σ = 45597824. Its totient is φ = 45597822.

The previous prime is 45597821. The next prime is 45597841. The reversal of 45597823 is 32879554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45597823 - 2¹ = 45597821 is a prime.

It is a super-2 number, since 2×45597823² = 4158322924678658, which contains 22 as substring.

Together with 45597821, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45597823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45597821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22798911 + 22798912.

It is an arithmetic number, because the mean of its divisors is an integer number (22798912).

Almost surely, 2^45597823 is an apocalyptic number.

45597823 is a deficient number, since it is larger than the sum of its proper divisors (1).

45597823 is an equidigital number, since it uses as much as digits as its factorization.

45597823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 45597823 is about 6752.6160115914. The cubic root of 45597823 is about 357.2575120565.

The spelling of 45597823 in words is "forty-five million, five hundred ninety-seven thousand, eight hundred twenty-three".