23421332 has 24 divisors (see below), whose sum is σ = 45807552. Its totient is φ = 10385600.

The previous prime is 23421331. The next prime is 23421341. The reversal of 23421332 is 23312432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (1908648).

Almost surely, 2^23421332 is an apocalyptic number.

23421332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23421332 is a deficient number, since it is larger than the sum of its proper divisors (22386220).

23421332 is a wasteful number, since it uses less digits than its factorization.

23421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13039 (or 13037 counting only the distinct ones).

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

The square root of 23421332 is about 4839.5590708245. The cubic root of 23421332 is about 286.1127402036.

Adding to 23421332 its reverse (23312432), we get a palindrome (46733764).

Subtracting from 23421332 its reverse (23312432), we obtain a square (108900 = 330²).

The spelling of 23421332 in words is "twenty-three million, four hundred twenty-one thousand, three hundred thirty-two".