401163523 has 8 divisors (see below), whose sum is σ = 404395200. Its totient is φ = 397943208.

The previous prime is 401163487. The next prime is 401163593. The reversal of 401163523 is 325361104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401163523 - 2¹⁷ = 401032451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401163593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76768 + ... + 81826.

It is an arithmetic number, because the mean of its divisors is an integer number (50549400).

Almost surely, 2^401163523 is an apocalyptic number.

401163523 is a deficient number, since it is larger than the sum of its proper divisors (3231677).

401163523 is a wasteful number, since it uses less digits than its factorization.

401163523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 401163523 is about 20029.0669528064. The cubic root of 401163523 is about 737.5200173826.

The spelling of 401163523 in words is "four hundred one million, one hundred sixty-three thousand, five hundred twenty-three".