140515231014523 has 2 divisors, whose sum is σ = 140515231014524. Its totient is φ = 140515231014522.

The previous prime is 140515231014517. The next prime is 140515231014541. The reversal of 140515231014523 is 325410132515041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140515231014523 is a prime.

It is not a weakly prime, because it can be changed into another prime (140515231014563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70257615507261 + 70257615507262.

It is an arithmetic number, because the mean of its divisors is an integer number (70257615507262).

Almost surely, 2^{140515231014523} is an apocalyptic number.

140515231014523 is a deficient number, since it is larger than the sum of its proper divisors (1).

140515231014523 is an equidigital number, since it uses as much as digits as its factorization.

140515231014523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 140515231014523 its reverse (325410132515041), we get a palindrome (465925363529564).

The spelling of 140515231014523 in words is "one hundred forty trillion, five hundred fifteen billion, two hundred thirty-one million, fourteen thousand, five hundred twenty-three".