45223320623 has 4 divisors (see below), whose sum is σ = 48702037608. Its totient is φ = 41744603640.

The previous prime is 45223320619. The next prime is 45223320629. The reversal of 45223320623 is 32602332254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45223320623 - 2² = 45223320619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45223320623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45223320629) 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 in 3 ways as a sum of consecutive naturals, for example, 1739358473 + ... + 1739358498.

It is an arithmetic number, because the mean of its divisors is an integer number (12175509402).

Almost surely, 2^45223320623 is an apocalyptic number.

45223320623 is a deficient number, since it is larger than the sum of its proper divisors (3478716985).

45223320623 is a wasteful number, since it uses less digits than its factorization.

45223320623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478716984.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 45223320623 its reverse (32602332254), we get a palindrome (77825652877).

The spelling of 45223320623 in words is "forty-five billion, two hundred twenty-three million, three hundred twenty thousand, six hundred twenty-three".