423413402123 has 4 divisors (see below), whose sum is σ = 423414789600. Its totient is φ = 423412014648.

The previous prime is 423413402117. The next prime is 423413402221. The reversal of 423413402123 is 321204314324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 423413402123 - 2¹⁴ = 423413385739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423413402323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13940 + ... + 920337.

It is an arithmetic number, because the mean of its divisors is an integer number (105853697400).

Almost surely, 2^423413402123 is an apocalyptic number.

423413402123 is a deficient number, since it is larger than the sum of its proper divisors (1387477).

423413402123 is an equidigital number, since it uses as much as digits as its factorization.

423413402123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387476.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 423413402123 its reverse (321204314324), we get a palindrome (744617716447).

The spelling of 423413402123 in words is "four hundred twenty-three billion, four hundred thirteen million, four hundred two thousand, one hundred twenty-three".