23728263 has 16 divisors (see below), whose sum is σ = 34327776. Its totient is φ = 14492160.

The previous prime is 23728261. The next prime is 23728267. The reversal of 23728263 is 36282732.

It is not a de Polignac number, because 23728263 - 2¹ = 23728261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23728261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3123 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (2145486).

Almost surely, 2^23728263 is an apocalyptic number.

23728263 is a deficient number, since it is larger than the sum of its proper divisors (10599513).

23728263 is a wasteful number, since it uses less digits than its factorization.

23728263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594.

The product of its digits is 24192, while the sum is 33.

The square root of 23728263 is about 4871.1664927407. The cubic root of 23728263 is about 287.3571333022.

The spelling of 23728263 in words is "twenty-three million, seven hundred twenty-eight thousand, two hundred sixty-three".