23121754 has 8 divisors (see below), whose sum is σ = 34780320. Its totient is φ = 11528316.

The previous prime is 23121743. The next prime is 23121773. The reversal of 23121754 is 45712132.

It is a happy number.

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

It is an unprimeable number.

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, 15384 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (4347540).

Almost surely, 2^23121754 is an apocalyptic number.

23121754 is a deficient number, since it is larger than the sum of its proper divisors (11658566).

23121754 is a wasteful number, since it uses less digits than its factorization.

23121754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32564.

The product of its digits is 1680, while the sum is 25.

The square root of 23121754 is about 4808.5085005644. The cubic root of 23121754 is about 284.8876298565.

Adding to 23121754 its reverse (45712132), we get a palindrome (68833886).

The spelling of 23121754 in words is "twenty-three million, one hundred twenty-one thousand, seven hundred fifty-four".