23103616 has 16 divisors (see below), whose sum is σ = 46026990. Its totient is φ = 11551744.

The previous prime is 23103611. The next prime is 23103617. The reversal of 23103616 is 61630132.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 1201216 = 4680^2 + 1096^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (23103611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90121 + ... + 90376.

Almost surely, 2^23103616 is an apocalyptic number.

It is an amenable number.

23103616 is a deficient number, since it is larger than the sum of its proper divisors (22923374).

23103616 is an equidigital number, since it uses as much as digits as its factorization.

23103616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180511 (or 180499 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23103616 is about 4806.6220987300. The cubic root of 23103616 is about 284.8131164266.

Adding to 23103616 its reverse (61630132), we get a palindrome (84733748).

The spelling of 23103616 in words is "twenty-three million, one hundred three thousand, six hundred sixteen".