23136288 has 48 divisors (see below), whose sum is σ = 69410880. Its totient is φ = 6610176.

The previous prime is 23136247. The next prime is 23136299. The reversal of 23136288 is 88263132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16543 + ... + 17886.

It is an arithmetic number, because the mean of its divisors is an integer number (1446060).

Almost surely, 2^23136288 is an apocalyptic number.

23136288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23136288 is an abundant number, since it is smaller than the sum of its proper divisors (46274592).

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

23136288 is a wasteful number, since it uses less digits than its factorization.

23136288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34449 (or 34441 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 23136288 is about 4810.0195425798. The cubic root of 23136288 is about 284.9473094343.

The spelling of 23136288 in words is "twenty-three million, one hundred thirty-six thousand, two hundred eighty-eight".