601161400347523 has 2 divisors, whose sum is σ = 601161400347524. Its totient is φ = 601161400347522.

The previous prime is 601161400347491. The next prime is 601161400347601. The reversal of 601161400347523 is 325743004161106.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 601161400347523 - 2⁵ = 601161400347491 is a prime.

It is a super-2 number, since 2×601161400347523² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 601161400347523.

It is not a weakly prime, because it can be changed into another prime (601161400347223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300580700173761 + 300580700173762.

It is an arithmetic number, because the mean of its divisors is an integer number (300580700173762).

Almost surely, 2^{601161400347523} is an apocalyptic number.

601161400347523 is a deficient number, since it is larger than the sum of its proper divisors (1).

601161400347523 is an equidigital number, since it uses as much as digits as its factorization.

601161400347523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 601161400347523 in words is "six hundred one trillion, one hundred sixty-one billion, four hundred million, three hundred forty-seven thousand, five hundred twenty-three".