20232203231 has 4 divisors (see below), whose sum is σ = 20235885312. Its totient is φ = 20228521152.

The previous prime is 20232203213. The next prime is 20232203263. The reversal of 20232203231 is 13230223202.

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 20232203231 - 2¹⁴ = 20232186847 is a prime.

It is a super-2 number, since 2×20232203231² (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 (20232203531) 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, 1832786 + ... + 1843791.

It is an arithmetic number, because the mean of its divisors is an integer number (5058971328).

Almost surely, 2^20232203231 is an apocalyptic number.

20232203231 is a deficient number, since it is larger than the sum of its proper divisors (3682081).

20232203231 is an equidigital number, since it uses as much as digits as its factorization.

20232203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682080.

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

Adding to 20232203231 its reverse (13230223202), we get a palindrome (33462426433).

The spelling of 20232203231 in words is "twenty billion, two hundred thirty-two million, two hundred three thousand, two hundred thirty-one".