23869481 has 4 divisors (see below), whose sum is σ = 23887572. Its totient is φ = 23851392.

The previous prime is 23869463. The next prime is 23869493. The reversal of 23869481 is 18496832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22477081 + 1392400 = 4741^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 23869481 - 2¹⁴ = 23853097 is a prime.

It is a super-2 number, since 2×23869481² = 1139504246418722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23869441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6896 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (5971893).

Almost surely, 2^23869481 is an apocalyptic number.

It is an amenable number.

23869481 is a deficient number, since it is larger than the sum of its proper divisors (18091).

23869481 is a wasteful number, since it uses less digits than its factorization.

23869481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18090.

The product of its digits is 82944, while the sum is 41.

The square root of 23869481 is about 4885.6402855716. The cubic root of 23869481 is about 287.9260717203.

The spelling of 23869481 in words is "twenty-three million, eight hundred sixty-nine thousand, four hundred eighty-one".