23622445645 has 16 divisors (see below), whose sum is σ = 28400526000. Its totient is φ = 18862272000.

The previous prime is 23622445633. The next prime is 23622445681. The reversal of 23622445645 is 54654422632.

It can be written as a sum of positive squares in 8 ways, for example, as 3681334276 + 19941111369 = 60674^2 + 141213^2 .

It is not a de Polignac number, because 23622445645 - 2³¹ = 21474961997 is a prime.

It is a super-3 number, since 3×23622445645³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8591731 + ... + 8594479.

It is an arithmetic number, because the mean of its divisors is an integer number (1775032875).

Almost surely, 2^23622445645 is an apocalyptic number.

It is an amenable number.

23622445645 is a deficient number, since it is larger than the sum of its proper divisors (4778080355).

23622445645 is a wasteful number, since it uses less digits than its factorization.

23622445645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376.

The product of its digits is 1382400, while the sum is 43.

The spelling of 23622445645 in words is "twenty-three billion, six hundred twenty-two million, four hundred forty-five thousand, six hundred forty-five".