23211632 has 10 divisors (see below), whose sum is σ = 44972568. Its totient is φ = 11605808.

The previous prime is 23211619. The next prime is 23211637. The reversal of 23211632 is 23611232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211637) 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 as a sum of consecutive naturals, namely, 725348 + ... + 725379.

It is a self-describing number.

Almost surely, 2^23211632 is an apocalyptic number.

It is an amenable number.

23211632 is a deficient number, since it is larger than the sum of its proper divisors (21760936).

23211632 is a wasteful number, since it uses less digits than its factorization.

23211632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450735 (or 1450729 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 23211632 is about 4817.8451614804. The cubic root of 23211632 is about 285.2562873664.

Adding to 23211632 its reverse (23611232), we get a palindrome (46822864).

The spelling of 23211632 in words is "twenty-three million, two hundred eleven thousand, six hundred thirty-two".