401121102001423 has 2 divisors, whose sum is σ = 401121102001424. Its totient is φ = 401121102001422.

The previous prime is 401121102001357. The next prime is 401121102001427. The reversal of 401121102001423 is 324100201121104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401121102001423 - 2¹⁷ = 401121101870351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401121102001394 and 401121102001403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401121102001427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200560551000711 + 200560551000712.

It is an arithmetic number, because the mean of its divisors is an integer number (200560551000712).

Almost surely, 2^{401121102001423} is an apocalyptic number.

401121102001423 is a deficient number, since it is larger than the sum of its proper divisors (1).

401121102001423 is an equidigital number, since it uses as much as digits as its factorization.

401121102001423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 401121102001423 its reverse (324100201121104), we get a palindrome (725221303122527).

The spelling of 401121102001423 in words is "four hundred one trillion, one hundred twenty-one billion, one hundred two million, one thousand, four hundred twenty-three".