401121140223 has 4 divisors (see below), whose sum is σ = 534828186968. Its totient is φ = 267414093480.

The previous prime is 401121140219. The next prime is 401121140227. The reversal of 401121140223 is 322041121104.

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

It is an interprime number because it is at equal distance from previous prime (401121140219) and next prime (401121140227).

It is not a de Polignac number, because 401121140223 - 2² = 401121140219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401121140223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401121140227) 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, 66853523368 + ... + 66853523373.

It is an arithmetic number, because the mean of its divisors is an integer number (133707046742).

Almost surely, 2^401121140223 is an apocalyptic number.

401121140223 is a deficient number, since it is larger than the sum of its proper divisors (133707046745).

401121140223 is a wasteful number, since it uses less digits than its factorization.

401121140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133707046744.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 401121140223 its reverse (322041121104), we get a palindrome (723162261327).

The spelling of 401121140223 in words is "four hundred one billion, one hundred twenty-one million, one hundred forty thousand, two hundred twenty-three".