23211404 has 6 divisors (see below), whose sum is σ = 40619964. Its totient is φ = 11605700.

The previous prime is 23211389. The next prime is 23211427. The reversal of 23211404 is 40411232.

It is an unprimeable number.

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, 2901422 + ... + 2901429.

It is an arithmetic number, because the mean of its divisors is an integer number (6769994).

Almost surely, 2^23211404 is an apocalyptic number.

It is an amenable number.

23211404 is a deficient number, since it is larger than the sum of its proper divisors (17408560).

23211404 is a wasteful number, since it uses less digits than its factorization.

23211404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802855 (or 5802853 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23211404 is about 4817.8214993916. The cubic root of 23211404 is about 285.2553533714.

Adding to 23211404 its reverse (40411232), we get a palindrome (63622636).

The spelling of 23211404 in words is "twenty-three million, two hundred eleven thousand, four hundred four".