423402423401 has 4 divisors (see below), whose sum is σ = 423405688704. Its totient is φ = 423399158100.

The previous prime is 423402423373. The next prime is 423402423403. The reversal of 423402423401 is 104324204324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423402423401 - 2²⁶ = 423335314537 is a prime.

It is a super-2 number, since 2×423402423401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423402423403) 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, 1429745 + ... + 1700286.

It is an arithmetic number, because the mean of its divisors is an integer number (105851422176).

Almost surely, 2^423402423401 is an apocalyptic number.

It is an amenable number.

423402423401 is a deficient number, since it is larger than the sum of its proper divisors (3265303).

423402423401 is a wasteful number, since it uses less digits than its factorization.

423402423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265302.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 423402423401 its reverse (104324204324), we get a palindrome (527726627725).

The spelling of 423402423401 in words is "four hundred twenty-three billion, four hundred two million, four hundred twenty-three thousand, four hundred one".