220231110923 has 2 divisors, whose sum is σ = 220231110924. Its totient is φ = 220231110922.

The previous prime is 220231110871. The next prime is 220231110929. The reversal of 220231110923 is 329011132022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220231110923 - 2⁸ = 220231110667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220231110892 and 220231110901.

It is not a weakly prime, because it can be changed into another prime (220231110929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110115555461 + 110115555462.

It is an arithmetic number, because the mean of its divisors is an integer number (110115555462).

Almost surely, 2^220231110923 is an apocalyptic number.

220231110923 is a deficient number, since it is larger than the sum of its proper divisors (1).

220231110923 is an equidigital number, since it uses as much as digits as its factorization.

220231110923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 220231110923 its reverse (329011132022), we get a palindrome (549242242945).

The spelling of 220231110923 in words is "two hundred twenty billion, two hundred thirty-one million, one hundred ten thousand, nine hundred twenty-three".