23773121 has 4 divisors (see below), whose sum is σ = 24004032. Its totient is φ = 23542212.

The previous prime is 23773093. The next prime is 23773133. The reversal of 23773121 is 12137732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23773121 - 2¹⁴ = 23756737 is a prime.

It is a super-2 number, since 2×23773121² = 1130322564161282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23773171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115301 + ... + 115506.

It is an arithmetic number, because the mean of its divisors is an integer number (6001008).

Almost surely, 2^23773121 is an apocalyptic number.

It is an amenable number.

23773121 is a deficient number, since it is larger than the sum of its proper divisors (230911).

23773121 is a wasteful number, since it uses less digits than its factorization.

23773121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230910.

The product of its digits is 1764, while the sum is 26.

The square root of 23773121 is about 4875.7687598983. The cubic root of 23773121 is about 287.5381010626.

The spelling of 23773121 in words is "twenty-three million, seven hundred seventy-three thousand, one hundred twenty-one".