223130121023 has 2 divisors, whose sum is σ = 223130121024. Its totient is φ = 223130121022.

The previous prime is 223130120989. The next prime is 223130121043. The reversal of 223130121023 is 320121031322.

It is an a-pointer prime, because the next prime (223130121043) can be obtained adding 223130121023 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223130121023 - 2⁶ = 223130120959 is a prime.

It is a super-3 number, since 3×223130121023³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223130120986 and 223130121004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223130121043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111565060511 + 111565060512.

It is an arithmetic number, because the mean of its divisors is an integer number (111565060512).

Almost surely, 2^223130121023 is an apocalyptic number.

223130121023 is a deficient number, since it is larger than the sum of its proper divisors (1).

223130121023 is an equidigital number, since it uses as much as digits as its factorization.

223130121023 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 223130121023 its reverse (320121031322), we get a palindrome (543251152345).

The spelling of 223130121023 in words is "two hundred twenty-three billion, one hundred thirty million, one hundred twenty-one thousand, twenty-three".