23043121 has 8 divisors (see below), whose sum is σ = 23450688. Its totient is φ = 22638000.

The previous prime is 23043103. The next prime is 23043149. The reversal of 23043121 is 12134032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23043121 - 2⁷ = 23042993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23043095 and 23043104.

It is not an unprimeable number, because it can be changed into a prime (23043101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34531 + ... + 35191.

It is an arithmetic number, because the mean of its divisors is an integer number (2931336).

Almost surely, 2^23043121 is an apocalyptic number.

It is an amenable number.

23043121 is a deficient number, since it is larger than the sum of its proper divisors (407567).

23043121 is an equidigital number, since it uses as much as digits as its factorization.

23043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23043121 is about 4800.3250931578. The cubic root of 23043121 is about 284.5643122328.

Adding to 23043121 its reverse (12134032), we get a palindrome (35177153).

The spelling of 23043121 in words is "twenty-three million, forty-three thousand, one hundred twenty-one".