23103321 has 4 divisors (see below), whose sum is σ = 30804432. Its totient is φ = 15402212.

The previous prime is 23103319. The next prime is 23103331. The reversal of 23103321 is 12330132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23103321 - 2¹ = 23103319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23103321.

It is not an unprimeable number, because it can be changed into a prime (23103331) 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 3 ways as a sum of consecutive naturals, for example, 3850551 + ... + 3850556.

It is an arithmetic number, because the mean of its divisors is an integer number (7701108).

Almost surely, 2^23103321 is an apocalyptic number.

It is an amenable number.

23103321 is a deficient number, since it is larger than the sum of its proper divisors (7701111).

23103321 is an equidigital number, since it uses as much as digits as its factorization.

23103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701110.

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

The square root of 23103321 is about 4806.5914118011. The cubic root of 23103321 is about 284.8119042033.

Adding to 23103321 its reverse (12330132), we get a palindrome (35433453).

The spelling of 23103321 in words is "twenty-three million, one hundred three thousand, three hundred twenty-one".