23687241 has 4 divisors (see below), whose sum is σ = 31582992. Its totient is φ = 15791492.

The previous prime is 23687231. The next prime is 23687267. The reversal of 23687241 is 14278632.

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 23687241 - 2¹⁵ = 23654473 is a prime.

It is a super-2 number, since 2×23687241² = 1122170772384162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23687221) 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, 3947871 + ... + 3947876.

It is an arithmetic number, because the mean of its divisors is an integer number (7895748).

Almost surely, 2^23687241 is an apocalyptic number.

It is an amenable number.

23687241 is a deficient number, since it is larger than the sum of its proper divisors (7895751).

23687241 is an equidigital number, since it uses as much as digits as its factorization.

23687241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895750.

The product of its digits is 16128, while the sum is 33.

The square root of 23687241 is about 4866.9539755375. The cubic root of 23687241 is about 287.1914411069.

The spelling of 23687241 in words is "twenty-three million, six hundred eighty-seven thousand, two hundred forty-one".