23749121 has 8 divisors (see below), whose sum is σ = 26107488. Its totient is φ = 21424000.

The previous prime is 23749091. The next prime is 23749139. The reversal of 23749121 is 12194732.

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 23749121 - 2¹⁰ = 23748097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23749171) 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, 6800 + ... + 9681.

It is an arithmetic number, because the mean of its divisors is an integer number (3263436).

Almost surely, 2^23749121 is an apocalyptic number.

It is an amenable number.

23749121 is a deficient number, since it is larger than the sum of its proper divisors (2358367).

23749121 is a wasteful number, since it uses less digits than its factorization.

23749121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623.

The product of its digits is 3024, while the sum is 29.

The square root of 23749121 is about 4873.3069880729. The cubic root of 23749121 is about 287.4413077417.

The spelling of 23749121 in words is "twenty-three million, seven hundred forty-nine thousand, one hundred twenty-one".