23221103 has 2 divisors, whose sum is σ = 23221104. Its totient is φ = 23221102.

The previous prime is 23221091. The next prime is 23221109. The reversal of 23221103 is 30112232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23221103 - 2⁴ = 23221087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610551 + 11610552.

It is an arithmetic number, because the mean of its divisors is an integer number (11610552).

Almost surely, 2^23221103 is an apocalyptic number.

23221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221103 is an equidigital number, since it uses as much as digits as its factorization.

23221103 is an evil number, because the sum of its binary digits is even.

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

The square root of 23221103 is about 4818.8279695378. The cubic root of 23221103 is about 285.2950796256.

Adding to 23221103 its reverse (30112232), we get a palindrome (53333335).

The spelling of 23221103 in words is "twenty-three million, two hundred twenty-one thousand, one hundred three".