221300131223 has 2 divisors, whose sum is σ = 221300131224. Its totient is φ = 221300131222.

The previous prime is 221300131201. The next prime is 221300131229. The reversal of 221300131223 is 322131003122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221300131223 - 2¹² = 221300127127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221300131195 and 221300131204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221300131229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650065611 + 110650065612.

It is an arithmetic number, because the mean of its divisors is an integer number (110650065612).

Almost surely, 2^221300131223 is an apocalyptic number.

221300131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

221300131223 is an equidigital number, since it uses as much as digits as its factorization.

221300131223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221300131223 its reverse (322131003122), we get a palindrome (543431134345).

The spelling of 221300131223 in words is "two hundred twenty-one billion, three hundred million, one hundred thirty-one thousand, two hundred twenty-three".