23140121 has 8 divisors (see below), whose sum is σ = 23764224. Its totient is φ = 22521600.

The previous prime is 23140109. The next prime is 23140123. The reversal of 23140121 is 12104132.

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 23140121 - 2¹⁸ = 22877977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23140096 and 23140105.

It is not an unprimeable number, because it can be changed into a prime (23140123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7796 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (2970528).

Almost surely, 2^23140121 is an apocalyptic number.

It is an amenable number.

23140121 is a deficient number, since it is larger than the sum of its proper divisors (624103).

23140121 is a wasteful number, since it uses less digits than its factorization.

23140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 23140121 is about 4810.4179652084. The cubic root of 23140121 is about 284.9630443515.

Adding to 23140121 its reverse (12104132), we get a palindrome (35244253).

The spelling of 23140121 in words is "twenty-three million, one hundred forty thousand, one hundred twenty-one".