23221132037 has 2 divisors, whose sum is σ = 23221132038. Its totient is φ = 23221132036.

The previous prime is 23221131893. The next prime is 23221132043. The reversal of 23221132037 is 73023112232.

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., 22775035396 + 446096641 = 150914^2 + 21121^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221132037 - 2²⁰ = 23220083461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23221131997 and 23221132015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221132237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610566018 + 11610566019.

It is an arithmetic number, because the mean of its divisors is an integer number (11610566019).

Almost surely, 2^23221132037 is an apocalyptic number.

It is an amenable number.

23221132037 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221132037 is an equidigital number, since it uses as much as digits as its factorization.

23221132037 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23221132037 its reverse (73023112232), we get a palindrome (96244244269).

The spelling of 23221132037 in words is "twenty-three billion, two hundred twenty-one million, one hundred thirty-two thousand, thirty-seven".