23220213097 has 2 divisors, whose sum is σ = 23220213098. Its totient is φ = 23220213096.

The previous prime is 23220213073. The next prime is 23220213131. The reversal of 23220213097 is 79031202232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16893760576 + 6326452521 = 129976^2 + 79539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23220213097 is a prime.

It is not a weakly prime, because it can be changed into another prime (23220213067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610106548 + 11610106549.

It is an arithmetic number, because the mean of its divisors is an integer number (11610106549).

Almost surely, 2^23220213097 is an apocalyptic number.

It is an amenable number.

23220213097 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220213097 is an equidigital number, since it uses as much as digits as its factorization.

23220213097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 23220213097 in words is "twenty-three billion, two hundred twenty million, two hundred thirteen thousand, ninety-seven".