23247481 has 4 divisors (see below), whose sum is σ = 23309200. Its totient is φ = 23185764.

The previous prime is 23247479. The next prime is 23247487. The reversal of 23247481 is 18474232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23247481 - 2¹ = 23247479 is a prime.

It is a super-2 number, since 2×23247481² = 1080890745690722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23247487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30291 + ... + 31048.

It is an arithmetic number, because the mean of its divisors is an integer number (5827300).

Almost surely, 2^23247481 is an apocalyptic number.

It is an amenable number.

23247481 is a deficient number, since it is larger than the sum of its proper divisors (61719).

23247481 is an equidigital number, since it uses as much as digits as its factorization.

23247481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61718.

The product of its digits is 10752, while the sum is 31.

The square root of 23247481 is about 4821.5641652891. The cubic root of 23247481 is about 285.4030656799.

The spelling of 23247481 in words is "twenty-three million, two hundred forty-seven thousand, four hundred eighty-one".