423320023325 has 6 divisors (see below), whose sum is σ = 524916828954. Its totient is φ = 338656018640.

The previous prime is 423320023277. The next prime is 423320023327. The reversal of 423320023325 is 523320023324.

It can be written as a sum of positive squares in 3 ways, for example, as 20119152964 + 403200870361 = 141842^2 + 634981^2 .

It is not a de Polignac number, because 423320023325 - 2⁸ = 423320023069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423320023327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8466400442 + ... + 8466400491.

It is an arithmetic number, because the mean of its divisors is an integer number (87486138159).

Almost surely, 2^423320023325 is an apocalyptic number.

It is an amenable number.

423320023325 is a deficient number, since it is larger than the sum of its proper divisors (101596805629).

423320023325 is a wasteful number, since it uses less digits than its factorization.

423320023325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16932800943 (or 16932800938 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 423320023325 its reverse (523320023324), we get a palindrome (946640046649).

Subtracting 423320023325 from its reverse (523320023324), we obtain a palindrome (99999999999).

The spelling of 423320023325 in words is "four hundred twenty-three billion, three hundred twenty million, twenty-three thousand, three hundred twenty-five".