123030140035291 has 2 divisors, whose sum is σ = 123030140035292. Its totient is φ = 123030140035290.

The previous prime is 123030140035277. The next prime is 123030140035379. The reversal of 123030140035291 is 192530041030321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123030140035291 - 2³¹ = 123027992551643 is a prime.

It is not a weakly prime, because it can be changed into another prime (123030140035241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515070017645 + 61515070017646.

It is an arithmetic number, because the mean of its divisors is an integer number (61515070017646).

Almost surely, 2^{123030140035291} is an apocalyptic number.

123030140035291 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030140035291 is an equidigital number, since it uses as much as digits as its factorization.

123030140035291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 123030140035291 in words is "one hundred twenty-three trillion, thirty billion, one hundred forty million, thirty-five thousand, two hundred ninety-one".