406161423 has 24 divisors (see below), whose sum is σ = 620081280. Its totient is φ = 255474000.

The previous prime is 406161403. The next prime is 406161491. The reversal of 406161423 is 324161604.

406161423 is a `hidden beast` number, since 4 + 0 + 616 + 1 + 42 + 3 = 666.

It is not a de Polignac number, because 406161423 - 2⁸ = 406161167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406161403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38190 + ... + 47652.

It is an arithmetic number, because the mean of its divisors is an integer number (25836720).

Almost surely, 2^406161423 is an apocalyptic number.

406161423 is a deficient number, since it is larger than the sum of its proper divisors (213919857).

406161423 is a wasteful number, since it uses less digits than its factorization.

406161423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739 (or 9736 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 406161423 is about 20153.4469260224. The cubic root of 406161423 is about 740.5701856992.

The spelling of 406161423 in words is "four hundred six million, one hundred sixty-one thousand, four hundred twenty-three".