401353243 has 16 divisors (see below), whose sum is σ = 438177600. Its totient is φ = 366446080.

The previous prime is 401353231. The next prime is 401353247. The reversal of 401353243 is 342353104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401353243 is a prime.

It is a super-2 number, since 2×401353243² = 322168851333234098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401353247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55983 + ... + 62743.

It is an arithmetic number, because the mean of its divisors is an integer number (27386100).

Almost surely, 2^401353243 is an apocalyptic number.

401353243 is a deficient number, since it is larger than the sum of its proper divisors (36824357).

401353243 is a wasteful number, since it uses less digits than its factorization.

401353243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 401353243 is about 20033.8025097584. The cubic root of 401353243 is about 737.6362627853.

The spelling of 401353243 in words is "four hundred one million, three hundred fifty-three thousand, two hundred forty-three".