190312243237 has 2 divisors, whose sum is σ = 190312243238. Its totient is φ = 190312243236.

The previous prime is 190312243193. The next prime is 190312243241. The reversal of 190312243237 is 732342213091.

190312243237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183264472836 + 7047770401 = 428094^2 + 83951^2 .

It is a cyclic number.

It is not a de Polignac number, because 190312243237 - 2³¹ = 188164759589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190312243196 and 190312243205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190312246237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95156121618 + 95156121619.

It is an arithmetic number, because the mean of its divisors is an integer number (95156121619).

Almost surely, 2^190312243237 is an apocalyptic number.

It is an amenable number.

190312243237 is a deficient number, since it is larger than the sum of its proper divisors (1).

190312243237 is an equidigital number, since it uses as much as digits as its factorization.

190312243237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 190312243237 in words is "one hundred ninety billion, three hundred twelve million, two hundred forty-three thousand, two hundred thirty-seven".