401037123143 has 4 divisors (see below), whose sum is σ = 401706634800. Its totient is φ = 400367611488.

The previous prime is 401037123131. The next prime is 401037123161. The reversal of 401037123143 is 341321730104.

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 401037123143 - 2⁶ = 401037123079 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 (401037123103) 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, 334754930 + ... + 334756127.

It is an arithmetic number, because the mean of its divisors is an integer number (100426658700).

Almost surely, 2^401037123143 is an apocalyptic number.

401037123143 is a deficient number, since it is larger than the sum of its proper divisors (669511657).

401037123143 is an equidigital number, since it uses as much as digits as its factorization.

401037123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669511656.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 401037123143 its reverse (341321730104), we get a palindrome (742358853247).

The spelling of 401037123143 in words is "four hundred one billion, thirty-seven million, one hundred twenty-three thousand, one hundred forty-three".