23100212 has 24 divisors (see below), whose sum is σ = 43512840. Its totient is φ = 10690560.

The previous prime is 23100199. The next prime is 23100221. The reversal of 23100212 is 21200132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 23001616 = 314^2 + 4796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23100193 and 23100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 6932.

It is an arithmetic number, because the mean of its divisors is an integer number (1813035).

Almost surely, 2^23100212 is an apocalyptic number.

It is an amenable number.

23100212 is a deficient number, since it is larger than the sum of its proper divisors (20412628).

23100212 is a wasteful number, since it uses less digits than its factorization.

23100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651 (or 5649 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23100212 is about 4806.2679908636. The cubic root of 23100212 is about 284.7991279746.

Adding to 23100212 its reverse (21200132), we get a palindrome (44300344).

The spelling of 23100212 in words is "twenty-three million, one hundred thousand, two hundred twelve".