20223113231 has 8 divisors (see below), whose sum is σ = 20305029360. Its totient is φ = 20141301888.

The previous prime is 20223113227. The next prime is 20223113269. The reversal of 20223113231 is 13231132202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20223113231 - 2² = 20223113227 is a prime.

It is a super-2 number, since 2×20223113231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223113291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372785 + ... + 423573.

It is an arithmetic number, because the mean of its divisors is an integer number (2538128670).

Almost surely, 2^20223113231 is an apocalyptic number.

20223113231 is a deficient number, since it is larger than the sum of its proper divisors (81916129).

20223113231 is a wasteful number, since it uses less digits than its factorization.

20223113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52393.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20223113231 its reverse (13231132202), we get a palindrome (33454245433).

The spelling of 20223113231 in words is "twenty billion, two hundred twenty-three million, one hundred thirteen thousand, two hundred thirty-one".