23481211 has 4 divisors (see below), whose sum is σ = 25287472. Its totient is φ = 21674952.

The previous prime is 23481209. The next prime is 23481223. The reversal of 23481211 is 11218432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23481211 - 2¹ = 23481209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23481251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903111 + ... + 903136.

It is an arithmetic number, because the mean of its divisors is an integer number (6321868).

Almost surely, 2^23481211 is an apocalyptic number.

23481211 is a deficient number, since it is larger than the sum of its proper divisors (1806261).

23481211 is a wasteful number, since it uses less digits than its factorization.

23481211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806260.

The product of its digits is 384, while the sum is 22.

The square root of 23481211 is about 4845.7415325211. The cubic root of 23481211 is about 286.3563580794.

Adding to 23481211 its reverse (11218432), we get a palindrome (34699643).

The spelling of 23481211 in words is "twenty-three million, four hundred eighty-one thousand, two hundred eleven".