23240361 has 8 divisors (see below), whose sum is σ = 31038784. Its totient is φ = 15467760.

The previous prime is 23240291. The next prime is 23240381. The reversal of 23240361 is 16304232.

It is a happy number.

23240361 is nontrivially palindromic in base 7.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23240361 - 2⁷ = 23240233 is a prime.

It is a super-2 number, since 2×23240361² = 1080228758820642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23240381) 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 7 ways as a sum of consecutive naturals, for example, 4246 + ... + 8031.

It is an arithmetic number, because the mean of its divisors is an integer number (3879848).

Almost surely, 2^23240361 is an apocalyptic number.

It is an amenable number.

23240361 is a deficient number, since it is larger than the sum of its proper divisors (7798423).

23240361 is a wasteful number, since it uses less digits than its factorization.

23240361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23240361 is about 4820.8257591413. The cubic root of 23240361 is about 285.3739259305.

Adding to 23240361 its reverse (16304232), we get a palindrome (39544593).

The spelling of 23240361 in words is "twenty-three million, two hundred forty thousand, three hundred sixty-one".