23103564 has 48 divisors (see below), whose sum is σ = 59195136. Its totient is φ = 6955200.

The previous prime is 23103533. The next prime is 23103571. The reversal of 23103564 is 46530132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23409 + ... + 24375.

It is an arithmetic number, because the mean of its divisors is an integer number (1233232).

Almost surely, 2^23103564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23103564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29597568).

23103564 is an abundant number, since it is smaller than the sum of its proper divisors (36091572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23103564 is a wasteful number, since it uses less digits than its factorization.

23103564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23103564 is about 4806.6166895229. The cubic root of 23103564 is about 284.8129027473.

Adding to 23103564 its reverse (46530132), we get a palindrome (69633696).

The spelling of 23103564 in words is "twenty-three million, one hundred three thousand, five hundred sixty-four".