23472081 has 12 divisors (see below), whose sum is σ = 34082308. Its totient is φ = 15565824.

The previous prime is 23472079. The next prime is 23472139. The reversal of 23472081 is 18027432.

It can be written as a sum of positive squares in 2 ways, for example, as 8910225 + 14561856 = 2985^2 + 3816^2 .

It is not a de Polignac number, because 23472081 - 2¹ = 23472079 is a prime.

It is a super-2 number, since 2×23472081² = 1101877172941122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23472041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5020 + ... + 8493.

Almost surely, 2^23472081 is an apocalyptic number.

It is an amenable number.

23472081 is a deficient number, since it is larger than the sum of its proper divisors (10610227).

23472081 is a wasteful number, since it uses less digits than its factorization.

23472081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712 (or 13709 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23472081 is about 4844.7993766512. The cubic root of 23472081 is about 286.3192394307.

The spelling of 23472081 in words is "twenty-three million, four hundred seventy-two thousand, eighty-one".