423112302202123 has 4 divisors (see below), whose sum is σ = 426200713167240. Its totient is φ = 420023891237008.

The previous prime is 423112302202019. The next prime is 423112302202223. The reversal of 423112302202123 is 321202203211324.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423112302202123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423112302202091 and 423112302202100.

It is not an unprimeable number, because it can be changed into a prime (423112302202223) 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, 1544205482353 + ... + 1544205482626.

It is an arithmetic number, because the mean of its divisors is an integer number (106550178291810).

Almost surely, 2^{423112302202123} is an apocalyptic number.

423112302202123 is a deficient number, since it is larger than the sum of its proper divisors (3088410965117).

423112302202123 is a wasteful number, since it uses less digits than its factorization.

423112302202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088410965116.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 423112302202123 its reverse (321202203211324), we get a palindrome (744314505413447).

The spelling of 423112302202123 in words is "four hundred twenty-three trillion, one hundred twelve billion, three hundred two million, two hundred two thousand, one hundred twenty-three".