231522350023 has 2 divisors, whose sum is σ = 231522350024. Its totient is φ = 231522350022.

The previous prime is 231522349997. The next prime is 231522350029. The reversal of 231522350023 is 320053225132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231522350023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231522349973 and 231522350000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231522350029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115761175011 + 115761175012.

It is an arithmetic number, because the mean of its divisors is an integer number (115761175012).

Almost surely, 2^231522350023 is an apocalyptic number.

231522350023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231522350023 is an equidigital number, since it uses as much as digits as its factorization.

231522350023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 231522350023 its reverse (320053225132), we get a palindrome (551575575155).

The spelling of 231522350023 in words is "two hundred thirty-one billion, five hundred twenty-two million, three hundred fifty thousand, twenty-three".