23342321 has 4 divisors (see below), whose sum is σ = 23725044. Its totient is φ = 22959600.

The previous prime is 23342299. The next prime is 23342327. The reversal of 23342321 is 12324332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2512225 + 20830096 = 1585^2 + 4564^2 .

It is a cyclic number.

It is not a de Polignac number, because 23342321 - 2⁶ = 23342257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23342293 and 23342302.

It is not an unprimeable number, because it can be changed into a prime (23342327) 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, 191270 + ... + 191391.

It is an arithmetic number, because the mean of its divisors is an integer number (5931261).

Almost surely, 2^23342321 is an apocalyptic number.

It is an amenable number.

23342321 is a deficient number, since it is larger than the sum of its proper divisors (382723).

23342321 is an equidigital number, since it uses as much as digits as its factorization.

23342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382722.

The product of its digits is 864, while the sum is 20.

The square root of 23342321 is about 4831.3891377118. The cubic root of 23342321 is about 285.7906474821.

Adding to 23342321 its reverse (12324332), we get a palindrome (35666653).

The spelling of 23342321 in words is "twenty-three million, three hundred forty-two thousand, three hundred twenty-one".