401144143243 has 8 divisors (see below), whose sum is σ = 414149293440. Its totient is φ = 388143056640.

The previous prime is 401144143223. The next prime is 401144143277. The reversal of 401144143243 is 342341441104.

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 401144143243 - 2³⁷ = 263705189771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401144143223) 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, 814630 + ... + 1210747.

It is an arithmetic number, because the mean of its divisors is an integer number (51768661680).

Almost surely, 2^401144143243 is an apocalyptic number.

401144143243 is a deficient number, since it is larger than the sum of its proper divisors (13005150197).

401144143243 is a wasteful number, since it uses less digits than its factorization.

401144143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031797.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 401144143243 its reverse (342341441104), we get a palindrome (743485584347).

The spelling of 401144143243 in words is "four hundred one billion, one hundred forty-four million, one hundred forty-three thousand, two hundred forty-three".