23103213 has 16 divisors (see below), whose sum is σ = 36064896. Its totient is φ = 12879360.

The previous prime is 23103211. The next prime is 23103229. The reversal of 23103213 is 31230132.

It is not a de Polignac number, because 23103213 - 2¹ = 23103211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23103192 and 23103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12556 + ... + 14277.

It is an arithmetic number, because the mean of its divisors is an integer number (2254056).

Almost surely, 2^23103213 is an apocalyptic number.

It is an amenable number.

23103213 is a deficient number, since it is larger than the sum of its proper divisors (12961683).

23103213 is a wasteful number, since it uses less digits than its factorization.

23103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26884.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23103213 is about 4806.5801772154. The cubic root of 23103213 is about 284.8114604037.

Adding to 23103213 its reverse (31230132), we get a palindrome (54333345).

The spelling of 23103213 in words is "twenty-three million, one hundred three thousand, two hundred thirteen".