23211424 has 12 divisors (see below), whose sum is σ = 45697554. Its totient is φ = 11605696.

The previous prime is 23211389. The next prime is 23211427. The reversal of 23211424 is 42411232.

It can be written as a sum of positive squares in only one way, i.e., 12531600 + 10679824 = 3540^2 + 3268^2 .

It is not an unprimeable number, because it can be changed into a prime (23211427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362647 + ... + 362710.

Almost surely, 2^23211424 is an apocalyptic number.

It is an amenable number.

23211424 is a deficient number, since it is larger than the sum of its proper divisors (22486130).

23211424 is an equidigital number, since it uses as much as digits as its factorization.

23211424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725367 (or 725359 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 23211424 is about 4817.8235750181. The cubic root of 23211424 is about 285.2554353011.

Adding to 23211424 its reverse (42411232), we get a palindrome (65622656).

The spelling of 23211424 in words is "twenty-three million, two hundred eleven thousand, four hundred twenty-four".