23072275 has 12 divisors (see below), whose sum is σ = 29384032. Its totient is φ = 17958240.

The previous prime is 23072267. The next prime is 23072279. The reversal of 23072275 is 57227032.

It is not a de Polignac number, because 23072275 - 2³ = 23072267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23072279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11547 + ... + 13396.

Almost surely, 2^23072275 is an apocalyptic number.

23072275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23072275 is a deficient number, since it is larger than the sum of its proper divisors (6311757).

23072275 is a wasteful number, since it uses less digits than its factorization.

23072275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24990 (or 24985 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23072275 is about 4803.3608026048. The cubic root of 23072275 is about 284.6842712675.

It can be divided in two parts, 2307 and 2275, that multiplied together give a palindrome (5248425).

The spelling of 23072275 in words is "twenty-three million, seventy-two thousand, two hundred seventy-five".