140123004241001 has 2 divisors, whose sum is σ = 140123004241002. Its totient is φ = 140123004241000.

The previous prime is 140123004240979. The next prime is 140123004241027. The reversal of 140123004241001 is 100142400321041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128376241944976 + 11746762296025 = 11330324^2 + 3427355^2 .

It is a cyclic number.

It is not a de Polignac number, because 140123004241001 - 2²² = 140123000046697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140123004241091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70061502120500 + 70061502120501.

It is an arithmetic number, because the mean of its divisors is an integer number (70061502120501).

Almost surely, 2^{140123004241001} is an apocalyptic number.

It is an amenable number.

140123004241001 is a deficient number, since it is larger than the sum of its proper divisors (1).

140123004241001 is an equidigital number, since it uses as much as digits as its factorization.

140123004241001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140123004241001 its reverse (100142400321041), we get a palindrome (240265404562042).

The spelling of 140123004241001 in words is "one hundred forty trillion, one hundred twenty-three billion, four million, two hundred forty-one thousand, one".