401202131045423 has 2 divisors, whose sum is σ = 401202131045424. Its totient is φ = 401202131045422.

The previous prime is 401202131045407. The next prime is 401202131045453. The reversal of 401202131045423 is 324540131202104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401202131045423 - 2⁴ = 401202131045407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401202131045423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401202131045453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200601065522711 + 200601065522712.

It is an arithmetic number, because the mean of its divisors is an integer number (200601065522712).

Almost surely, 2^{401202131045423} is an apocalyptic number.

401202131045423 is a deficient number, since it is larger than the sum of its proper divisors (1).

401202131045423 is an equidigital number, since it uses as much as digits as its factorization.

401202131045423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 401202131045423 its reverse (324540131202104), we get a palindrome (725742262247527).

The spelling of 401202131045423 in words is "four hundred one trillion, two hundred two billion, one hundred thirty-one million, forty-five thousand, four hundred twenty-three".