23147776 has 36 divisors (see below), whose sum is σ = 48647200. Its totient is φ = 10962432.

The previous prime is 23147759. The next prime is 23147777. The reversal of 23147776 is 67774132.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2485 + ... + 7243.

Almost surely, 2^23147776 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 23147776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24323600).

23147776 is an abundant number, since it is smaller than the sum of its proper divisors (25499424).

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

23147776 is an equidigital number, since it uses as much as digits as its factorization.

23147776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794 (or 4780 counting only the distinct ones).

The product of its digits is 49392, while the sum is 37.

The square root of 23147776 is about 4811.2135683214. The cubic root of 23147776 is about 284.9944638301.

The spelling of 23147776 in words is "twenty-three million, one hundred forty-seven thousand, seven hundred seventy-six".