401121041023 has 2 divisors, whose sum is σ = 401121041024. Its totient is φ = 401121041022.

The previous prime is 401121041011. The next prime is 401121041093. The reversal of 401121041023 is 320140121104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401121041023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401121041093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200560520511 + 200560520512.

It is an arithmetic number, because the mean of its divisors is an integer number (200560520512).

Almost surely, 2^401121041023 is an apocalyptic number.

401121041023 is a deficient number, since it is larger than the sum of its proper divisors (1).

401121041023 is an equidigital number, since it uses as much as digits as its factorization.

401121041023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 401121041023 its reverse (320140121104), we get a palindrome (721261162127).

The spelling of 401121041023 in words is "four hundred one billion, one hundred twenty-one million, forty-one thousand, twenty-three".