20231223097 has 2 divisors, whose sum is σ = 20231223098. Its totient is φ = 20231223096.

The previous prime is 20231223083. The next prime is 20231223101. The reversal of 20231223097 is 79032213202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15982269241 + 4248953856 = 126421^2 + 65184^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231223097 - 2⁷ = 20231222969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20231223197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115611548 + 10115611549.

It is an arithmetic number, because the mean of its divisors is an integer number (10115611549).

Almost surely, 2^20231223097 is an apocalyptic number.

It is an amenable number.

20231223097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231223097 is an equidigital number, since it uses as much as digits as its factorization.

20231223097 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.

Adding to 20231223097 its reverse (79032213202), we get a palindrome (99263436299).

The spelling of 20231223097 in words is "twenty billion, two hundred thirty-one million, two hundred twenty-three thousand, ninety-seven".