402223210423 has 4 divisors (see below), whose sum is σ = 413094108040. Its totient is φ = 391352312808.

The previous prime is 402223210421. The next prime is 402223210429. The reversal of 402223210423 is 324012322204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402223210423 - 2¹ = 402223210421 is a prime.

It is a super-2 number, since 2×402223210423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402223210421) 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, 5435448753 + ... + 5435448826.

It is an arithmetic number, because the mean of its divisors is an integer number (103273527010).

Almost surely, 2^402223210423 is an apocalyptic number.

402223210423 is a deficient number, since it is larger than the sum of its proper divisors (10870897617).

402223210423 is a wasteful number, since it uses less digits than its factorization.

402223210423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870897616.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402223210423 its reverse (324012322204), we get a palindrome (726235532627).

The spelling of 402223210423 in words is "four hundred two billion, two hundred twenty-three million, two hundred ten thousand, four hundred twenty-three".