2122403304423 has 4 divisors (see below), whose sum is σ = 2829871072568. Its totient is φ = 1414935536280.

The previous prime is 2122403304391. The next prime is 2122403304433. The reversal of 2122403304423 is 3244033042212.

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

It is not a de Polignac number, because 2122403304423 - 2⁵ = 2122403304391 is a prime.

It is a super-2 number, since 2×2122403304423² (a number of 25 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 (2122403304433) 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, 353733884068 + ... + 353733884073.

It is an arithmetic number, because the mean of its divisors is an integer number (707467768142).

Almost surely, 2^{2122403304423} is an apocalyptic number.

2122403304423 is a deficient number, since it is larger than the sum of its proper divisors (707467768145).

2122403304423 is an equidigital number, since it uses as much as digits as its factorization.

2122403304423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707467768144.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 2122403304423 its reverse (3244033042212), we get a palindrome (5366436346635).

The spelling of 2122403304423 in words is "two trillion, one hundred twenty-two billion, four hundred three million, three hundred four thousand, four hundred twenty-three".