401371423 has 2 divisors, whose sum is σ = 401371424. Its totient is φ = 401371422.

The previous prime is 401371391. The next prime is 401371433. The reversal of 401371423 is 324173104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401371423 - 2⁵ = 401371391 is a prime.

It is a super-2 number, since 2×401371423² = 322198038402089858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401371433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200685711 + 200685712.

It is an arithmetic number, because the mean of its divisors is an integer number (200685712).

Almost surely, 2^401371423 is an apocalyptic number.

401371423 is a deficient number, since it is larger than the sum of its proper divisors (1).

401371423 is an equidigital number, since it uses as much as digits as its factorization.

401371423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 401371423 is about 20034.2562377544. The cubic root of 401371423 is about 737.6474001272.

The spelling of 401371423 in words is "four hundred one million, three hundred seventy-one thousand, four hundred twenty-three".