23121241 has 16 divisors (see below), whose sum is σ = 28764288. Its totient is φ = 18259200.

The previous prime is 23121209. The next prime is 23121247. The reversal of 23121241 is 14212132.

It is a cyclic number.

It is not a de Polignac number, because 23121241 - 2⁵ = 23121209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2325 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (1797768).

Almost surely, 2^23121241 is an apocalyptic number.

It is an amenable number.

23121241 is a deficient number, since it is larger than the sum of its proper divisors (5643047).

23121241 is a wasteful number, since it uses less digits than its factorization.

23121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552.

The product of its digits is 96, while the sum is 16.

The square root of 23121241 is about 4808.4551573244. The cubic root of 23121241 is about 284.8855229167.

Adding to 23121241 its reverse (14212132), we get a palindrome (37333373).

It can be divided in two parts, 2312 and 1241, that added together give a palindrome (3553).

The spelling of 23121241 in words is "twenty-three million, one hundred twenty-one thousand, two hundred forty-one".