240340023531191 has 2 divisors, whose sum is σ = 240340023531192. Its totient is φ = 240340023531190.

The previous prime is 240340023531107. The next prime is 240340023531259. The reversal of 240340023531191 is 191135320043042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240340023531191 - 2³⁸ = 240065145624247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240340023539191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120170011765595 + 120170011765596.

It is an arithmetic number, because the mean of its divisors is an integer number (120170011765596).

Almost surely, 2^{240340023531191} is an apocalyptic number.

240340023531191 is a deficient number, since it is larger than the sum of its proper divisors (1).

240340023531191 is an equidigital number, since it uses as much as digits as its factorization.

240340023531191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 240340023531191 in words is "two hundred forty trillion, three hundred forty billion, twenty-three million, five hundred thirty-one thousand, one hundred ninety-one".