23103643 has 2 divisors, whose sum is σ = 23103644. Its totient is φ = 23103642.

The previous prime is 23103617. The next prime is 23103653. The reversal of 23103643 is 34630132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23103643 - 2⁵ = 23103611 is a prime.

It is not a weakly prime, because it can be changed into another prime (23103653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551821 + 11551822.

It is an arithmetic number, because the mean of its divisors is an integer number (11551822).

Almost surely, 2^23103643 is an apocalyptic number.

23103643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103643 is an equidigital number, since it uses as much as digits as its factorization.

23103643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 23103643 is about 4806.6249073544. The cubic root of 23103643 is about 284.8132273753.

Adding to 23103643 its reverse (34630132), we get a palindrome (57733775).

The spelling of 23103643 in words is "twenty-three million, one hundred three thousand, six hundred forty-three".