23203311223031 has 2 divisors, whose sum is σ = 23203311223032. Its totient is φ = 23203311223030.

The previous prime is 23203311223021. The next prime is 23203311223163. The reversal of 23203311223031 is 13032211330232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23203311223031 - 2¹⁸ = 23203310960887 is a prime.

It is a super-2 number, since 2×23203311223031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203311223021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601655611515 + 11601655611516.

It is an arithmetic number, because the mean of its divisors is an integer number (11601655611516).

Almost surely, 2^{23203311223031} is an apocalyptic number.

23203311223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203311223031 is an equidigital number, since it uses as much as digits as its factorization.

23203311223031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23203311223031 its reverse (13032211330232), we get a palindrome (36235522553263).

The spelling of 23203311223031 in words is "twenty-three trillion, two hundred three billion, three hundred eleven million, two hundred twenty-three thousand, thirty-one".