210401042423 has 32 divisors (see below), whose sum is σ = 248328364032. Its totient is φ = 175744656000.

The previous prime is 210401042389. The next prime is 210401042447. The reversal of 210401042423 is 324240104012.

It is a cyclic number.

It is not a de Polignac number, because 210401042423 - 2³⁰ = 209327300599 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 (210401042023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46577561 + ... + 46582077.

It is an arithmetic number, because the mean of its divisors is an integer number (7760261376).

Almost surely, 2^210401042423 is an apocalyptic number.

210401042423 is a deficient number, since it is larger than the sum of its proper divisors (37927321609).

210401042423 is a wasteful number, since it uses less digits than its factorization.

210401042423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 210401042423 its reverse (324240104012), we get a palindrome (534641146435).

The spelling of 210401042423 in words is "two hundred ten billion, four hundred one million, forty-two thousand, four hundred twenty-three".