401004121423 has 16 divisors (see below), whose sum is σ = 423835960320. Its totient is φ = 378624321504.

The previous prime is 401004121421. The next prime is 401004121487. The reversal of 401004121423 is 324121400104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 401004121423 - 2¹ = 401004121421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401004121394 and 401004121403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401004121421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8412565 + ... + 8460097.

It is an arithmetic number, because the mean of its divisors is an integer number (26489747520).

Almost surely, 2^401004121423 is an apocalyptic number.

401004121423 is a deficient number, since it is larger than the sum of its proper divisors (22831838897).

401004121423 is a wasteful number, since it uses less digits than its factorization.

401004121423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52278.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 401004121423 its reverse (324121400104), we get a palindrome (725125521527).

The spelling of 401004121423 in words is "four hundred one billion, four million, one hundred twenty-one thousand, four hundred twenty-three".