23432321 has 8 divisors (see below), whose sum is σ = 25660800. Its totient is φ = 21220240.

The previous prime is 23432317. The next prime is 23432329. The reversal of 23432321 is 12323432.

23432321 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23432321 - 2² = 23432317 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23432293 and 23432302.

It is not an unprimeable number, because it can be changed into a prime (23432329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 6918.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^23432321 is an apocalyptic number.

It is an amenable number.

23432321 is a deficient number, since it is larger than the sum of its proper divisors (2228479).

23432321 is a wasteful number, since it uses less digits than its factorization.

23432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199.

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

The square root of 23432321 is about 4840.6942683875. The cubic root of 23432321 is about 286.1574800631.

Adding to 23432321 its reverse (12323432), we get a palindrome (35755753).

Subtracting from 23432321 its reverse (12323432), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2343 and 2321, that added together give a palindrome (4664).

The spelling of 23432321 in words is "twenty-three million, four hundred thirty-two thousand, three hundred twenty-one".