23021132201 has 4 divisors (see below), whose sum is σ = 23050017732. Its totient is φ = 22992246672.

The previous prime is 23021132161. The next prime is 23021132209. The reversal of 23021132201 is 10223112032.

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 9476827801 + 13544304400 = 97349^2 + 116380^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021132201 - 2²² = 23016937897 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 23021132201.

It is not an unprimeable number, because it can be changed into a prime (23021132209) 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, 14441570 + ... + 14443163.

It is an arithmetic number, because the mean of its divisors is an integer number (5762504433).

Almost surely, 2^23021132201 is an apocalyptic number.

It is an amenable number.

23021132201 is a deficient number, since it is larger than the sum of its proper divisors (28885531).

23021132201 is an equidigital number, since it uses as much as digits as its factorization.

23021132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28885530.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23021132201 its reverse (10223112032), we get a palindrome (33244244233).

The spelling of 23021132201 in words is "twenty-three billion, twenty-one million, one hundred thirty-two thousand, two hundred one".