23020222331 has 4 divisors (see below), whose sum is σ = 24231813000. Its totient is φ = 21808631664.

The previous prime is 23020222307. The next prime is 23020222333. The reversal of 23020222331 is 13322202032.

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 23020222331 - 2²⁶ = 22953113467 is a prime.

It is a super-2 number, since 2×23020222331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020222333) 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, 605795306 + ... + 605795343.

It is an arithmetic number, because the mean of its divisors is an integer number (6057953250).

Almost surely, 2^23020222331 is an apocalyptic number.

23020222331 is a deficient number, since it is larger than the sum of its proper divisors (1211590669).

23020222331 is a wasteful number, since it uses less digits than its factorization.

23020222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211590668.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23020222331 its reverse (13322202032), we get a palindrome (36342424363).

The spelling of 23020222331 in words is "twenty-three billion, twenty million, two hundred twenty-two thousand, three hundred thirty-one".