23103816 has 48 divisors (see below), whose sum is σ = 61375440. Its totient is φ = 7246080.

The previous prime is 23103809. The next prime is 23103853. The reversal of 23103816 is 61830132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5271 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (1278655).

Almost surely, 2^23103816 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 23103816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30687720).

23103816 is an abundant number, since it is smaller than the sum of its proper divisors (38271624).

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

23103816 is a wasteful number, since it uses less digits than its factorization.

23103816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374 (or 3353 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 23103816 is about 4806.6429033162. The cubic root of 23103816 is about 284.8139382670.

Adding to 23103816 its reverse (61830132), we get a palindrome (84933948).

The spelling of 23103816 in words is "twenty-three million, one hundred three thousand, eight hundred sixteen".