140423032035257 has 2 divisors, whose sum is σ = 140423032035258. Its totient is φ = 140423032035256.

The previous prime is 140423032035211. The next prime is 140423032035277. The reversal of 140423032035257 is 752530230324041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92526334521721 + 47896697513536 = 9619061^2 + 6920744^2 .

It is a cyclic number.

It is not a de Polignac number, because 140423032035257 - 2²⁴ = 140423015258041 is a prime.

It is not a weakly prime, because it can be changed into another prime (140423032035277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211516017628 + 70211516017629.

It is an arithmetic number, because the mean of its divisors is an integer number (70211516017629).

Almost surely, 2^{140423032035257} is an apocalyptic number.

It is an amenable number.

140423032035257 is a deficient number, since it is larger than the sum of its proper divisors (1).

140423032035257 is an equidigital number, since it uses as much as digits as its factorization.

140423032035257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 41.

Adding to 140423032035257 its reverse (752530230324041), we get a palindrome (892953262359298).

The spelling of 140423032035257 in words is "one hundred forty trillion, four hundred twenty-three billion, thirty-two million, thirty-five thousand, two hundred fifty-seven".