23121334 has 8 divisors (see below), whose sum is σ = 34763400. Its totient is φ = 11533536.

The previous prime is 23121331. The next prime is 23121341. The reversal of 23121334 is 43312132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121331) 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 3 ways as a sum of consecutive naturals, for example, 12484 + ... + 14215.

It is an arithmetic number, because the mean of its divisors is an integer number (4345425).

Almost surely, 2^23121334 is an apocalyptic number.

23121334 is a deficient number, since it is larger than the sum of its proper divisors (11642066).

23121334 is a wasteful number, since it uses less digits than its factorization.

23121334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27134.

The product of its digits is 432, while the sum is 19.

The square root of 23121334 is about 4808.4648277803. The cubic root of 23121334 is about 284.8859048789.

Adding to 23121334 its reverse (43312132), we get a palindrome (66433466).

The spelling of 23121334 in words is "twenty-three million, one hundred twenty-one thousand, three hundred thirty-four".