23015481 has 16 divisors (see below), whose sum is σ = 31281600. Its totient is φ = 15049728.

The previous prime is 23015429. The next prime is 23015491. The reversal of 23015481 is 18451032.

It is not a de Polignac number, because 23015481 - 2⁷ = 23015353 is a prime.

It is a super-2 number, since 2×23015481² = 1059424731322722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23015491) 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 15 ways as a sum of consecutive naturals, for example, 40165 + ... + 40733.

It is an arithmetic number, because the mean of its divisors is an integer number (1955100).

Almost surely, 2^23015481 is an apocalyptic number.

It is an amenable number.

23015481 is a deficient number, since it is larger than the sum of its proper divisors (8266119).

23015481 is a wasteful number, since it uses less digits than its factorization.

23015481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 23015481 is about 4797.4452576345. The cubic root of 23015481 is about 284.4504893339.

The spelling of 23015481 in words is "twenty-three million, fifteen thousand, four hundred eighty-one".