23420403323 has 2 divisors, whose sum is σ = 23420403324. Its totient is φ = 23420403322.

The previous prime is 23420403319. The next prime is 23420403343. The reversal of 23420403323 is 32330402432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23420403323 - 2² = 23420403319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23420403292 and 23420403301.

It is not a weakly prime, because it can be changed into another prime (23420403343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710201661 + 11710201662.

It is an arithmetic number, because the mean of its divisors is an integer number (11710201662).

Almost surely, 2^23420403323 is an apocalyptic number.

23420403323 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420403323 is an equidigital number, since it uses as much as digits as its factorization.

23420403323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 23420403323 its reverse (32330402432), we get a palindrome (55750805755).

The spelling of 23420403323 in words is "twenty-three billion, four hundred twenty million, four hundred three thousand, three hundred twenty-three".