23271280 has 40 divisors (see below), whose sum is σ = 54309024. Its totient is φ = 9273600.

The previous prime is 23271277. The next prime is 23271289. The reversal of 23271280 is 8217232.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23271289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36565 + ... + 37195.

Almost surely, 2^23271280 is an apocalyptic number.

23271280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23271280 is an abundant number, since it is smaller than the sum of its proper divisors (31037744).

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

23271280 is a wasteful number, since it uses less digits than its factorization.

23271280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 23271280 is about 4824.0315090182. The cubic root of 23271280 is about 285.5004237702.

The spelling of 23271280 in words is "twenty-three million, two hundred seventy-one thousand, two hundred eighty".