23022202013 has 4 divisors (see below), whose sum is σ = 23225938428. Its totient is φ = 22818465600.

The previous prime is 23022201991. The next prime is 23022202019. The reversal of 23022202013 is 31020222032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11162556409 + 11859645604 = 105653^2 + 108902^2 .

It is a cyclic number.

It is not a de Polignac number, because 23022202013 - 2⁶ = 23022201949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23022201982 and 23022202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022202019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101868038 + ... + 101868263.

It is an arithmetic number, because the mean of its divisors is an integer number (5806484607).

Almost surely, 2^23022202013 is an apocalyptic number.

It is an amenable number.

23022202013 is a deficient number, since it is larger than the sum of its proper divisors (203736415).

23022202013 is a wasteful number, since it uses less digits than its factorization.

23022202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203736414.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23022202013 its reverse (31020222032), we get a palindrome (54042424045).

The spelling of 23022202013 in words is "twenty-three billion, twenty-two million, two hundred two thousand, thirteen".