401145424343 has 4 divisors (see below), whose sum is σ = 402410867640. Its totient is φ = 399879981048.

The previous prime is 401145424319. The next prime is 401145424397. The reversal of 401145424343 is 343424541104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401145424343 - 2³⁰ = 400071682519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401145424243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632721173 + ... + 632721806.

It is an arithmetic number, because the mean of its divisors is an integer number (100602716910).

Almost surely, 2^401145424343 is an apocalyptic number.

401145424343 is a deficient number, since it is larger than the sum of its proper divisors (1265443297).

401145424343 is a wasteful number, since it uses less digits than its factorization.

401145424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265443296.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 401145424343 its reverse (343424541104), we get a palindrome (744569965447).

The spelling of 401145424343 in words is "four hundred one billion, one hundred forty-five million, four hundred twenty-four thousand, three hundred forty-three".