23241819 has 4 divisors (see below), whose sum is σ = 30989096. Its totient is φ = 15494544.

The previous prime is 23241781. The next prime is 23241821. The reversal of 23241819 is 91814232.

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

It is not a de Polignac number, because 23241819 - 2¹² = 23237723 is a prime.

It is a super-2 number, since 2×23241819² = 1080364300857522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23241899) 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, 3873634 + ... + 3873639.

It is an arithmetic number, because the mean of its divisors is an integer number (7747274).

Almost surely, 2^23241819 is an apocalyptic number.

23241819 is a deficient number, since it is larger than the sum of its proper divisors (7747277).

23241819 is an equidigital number, since it uses as much as digits as its factorization.

23241819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747276.

The product of its digits is 3456, while the sum is 30.

The square root of 23241819 is about 4820.9769756762. The cubic root of 23241819 is about 285.3798935154.

The spelling of 23241819 in words is "twenty-three million, two hundred forty-one thousand, eight hundred nineteen".