20232131237 has 2 divisors, whose sum is σ = 20232131238. Its totient is φ = 20232131236.

The previous prime is 20232131207. The next prime is 20232131243. The reversal of 20232131237 is 73213123202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17602390276 + 2629740961 = 132674^2 + 51281^2 .

It is a cyclic number.

It is not a de Polignac number, because 20232131237 - 2¹⁴ = 20232114853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20232131207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116065618 + 10116065619.

It is an arithmetic number, because the mean of its divisors is an integer number (10116065619).

Almost surely, 2^20232131237 is an apocalyptic number.

It is an amenable number.

20232131237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232131237 is an equidigital number, since it uses as much as digits as its factorization.

20232131237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20232131237 its reverse (73213123202), we get a palindrome (93445254439).

The spelling of 20232131237 in words is "twenty billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred thirty-seven".