23103647 has 6 divisors (see below), whose sum is σ = 26875728. Its totient is φ = 19803084.

The previous prime is 23103643. The next prime is 23103653. The reversal of 23103647 is 74630132.

It is not a de Polignac number, because 23103647 - 2² = 23103643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103643) 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 5 ways as a sum of consecutive naturals, for example, 235703 + ... + 235800.

It is an arithmetic number, because the mean of its divisors is an integer number (4479288).

Almost surely, 2^23103647 is an apocalyptic number.

23103647 is a deficient number, since it is larger than the sum of its proper divisors (3772081).

23103647 is an equidigital number, since it uses as much as digits as its factorization.

23103647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471517 (or 471510 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 23103647 is about 4806.6253234468. The cubic root of 23103647 is about 284.8132438122.

Adding to 23103647 its reverse (74630132), we get a palindrome (97733779).

The spelling of 23103647 in words is "twenty-three million, one hundred three thousand, six hundred forty-seven".