23103211 has 2 divisors, whose sum is σ = 23103212. Its totient is φ = 23103210.

The previous prime is 23103203. The next prime is 23103229. The reversal of 23103211 is 11230132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23103211 - 2³ = 23103203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23103191 and 23103200.

It is not a weakly prime, because it can be changed into another prime (23103511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551605 + 11551606.

It is an arithmetic number, because the mean of its divisors is an integer number (11551606).

Almost surely, 2^23103211 is an apocalyptic number.

23103211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103211 is an equidigital number, since it uses as much as digits as its factorization.

23103211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23103211 is about 4806.5799691673. The cubic root of 23103211 is about 284.8114521851.

Adding to 23103211 its reverse (11230132), we get a palindrome (34333343).

The spelling of 23103211 in words is "twenty-three million, one hundred three thousand, two hundred eleven".