23443022137 has 2 divisors, whose sum is σ = 23443022138. Its totient is φ = 23443022136.

The previous prime is 23443022003. The next prime is 23443022147. The reversal of 23443022137 is 73122034432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17338568976 + 6104453161 = 131676^2 + 78131^2 .

It is a cyclic number.

It is not a de Polignac number, because 23443022137 - 2²³ = 23434633529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23443022099 and 23443022108.

It is not a weakly prime, because it can be changed into another prime (23443022147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721511068 + 11721511069.

It is an arithmetic number, because the mean of its divisors is an integer number (11721511069).

Almost surely, 2^23443022137 is an apocalyptic number.

It is an amenable number.

23443022137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443022137 is an equidigital number, since it uses as much as digits as its factorization.

23443022137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

Adding to 23443022137 its reverse (73122034432), we get a palindrome (96565056569).

The spelling of 23443022137 in words is "twenty-three billion, four hundred forty-three million, twenty-two thousand, one hundred thirty-seven".