42353523040139 has 2 divisors, whose sum is σ = 42353523040140. Its totient is φ = 42353523040138.

The previous prime is 42353523040117. The next prime is 42353523040207. The reversal of 42353523040139 is 93104032535324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42353523040139 - 2³² = 42349228072843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42353523040139.

It is not a weakly prime, because it can be changed into another prime (42353523070139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21176761520069 + 21176761520070.

It is an arithmetic number, because the mean of its divisors is an integer number (21176761520070).

Almost surely, 2^{42353523040139} is an apocalyptic number.

42353523040139 is a deficient number, since it is larger than the sum of its proper divisors (1).

42353523040139 is an equidigital number, since it uses as much as digits as its factorization.

42353523040139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 42353523040139 in words is "forty-two trillion, three hundred fifty-three billion, five hundred twenty-three million, forty thousand, one hundred thirty-nine".