23212316737 has 2 divisors, whose sum is σ = 23212316738. Its totient is φ = 23212316736.

The previous prime is 23212316731. The next prime is 23212316759. The reversal of 23212316737 is 73761321232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18837288001 + 4375028736 = 137249^2 + 66144^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212316737 - 2⁷ = 23212316609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23212316696 and 23212316705.

It is not a weakly prime, because it can be changed into another prime (23212316731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606158368 + 11606158369.

It is an arithmetic number, because the mean of its divisors is an integer number (11606158369).

Almost surely, 2^23212316737 is an apocalyptic number.

It is an amenable number.

23212316737 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212316737 is an equidigital number, since it uses as much as digits as its factorization.

23212316737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 37.

Adding to 23212316737 its reverse (73761321232), we get a palindrome (96973637969).

The spelling of 23212316737 in words is "twenty-three billion, two hundred twelve million, three hundred sixteen thousand, seven hundred thirty-seven".