140232031534423 has 2 divisors, whose sum is σ = 140232031534424. Its totient is φ = 140232031534422.

The previous prime is 140232031534339. The next prime is 140232031534451. The reversal of 140232031534423 is 324435130232041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140232031534423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140232031534823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70116015767211 + 70116015767212.

It is an arithmetic number, because the mean of its divisors is an integer number (70116015767212).

Almost surely, 2^{140232031534423} is an apocalyptic number.

140232031534423 is a deficient number, since it is larger than the sum of its proper divisors (1).

140232031534423 is an equidigital number, since it uses as much as digits as its factorization.

140232031534423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 140232031534423 its reverse (324435130232041), we get a palindrome (464667161766464).

The spelling of 140232031534423 in words is "one hundred forty trillion, two hundred thirty-two billion, thirty-one million, five hundred thirty-four thousand, four hundred twenty-three".