23103212 has 24 divisors (see below), whose sum is σ = 45135552. Its totient is φ = 10256400.

The previous prime is 23103211. The next prime is 23103229. The reversal of 23103212 is 21230132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23103211) 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, 4214 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (1880648).

Almost surely, 2^23103212 is an apocalyptic number.

23103212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23103212 is a deficient number, since it is larger than the sum of its proper divisors (22032340).

23103212 is a wasteful number, since it uses less digits than its factorization.

23103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269 (or 12267 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23103212 is about 4806.5800731913. The cubic root of 23103212 is about 284.8114562944.

Adding to 23103212 its reverse (21230132), we get a palindrome (44333344).

Subtracting from 23103212 its reverse (21230132), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 23103212 in words is "twenty-three million, one hundred three thousand, two hundred twelve".