23120771 has 4 divisors (see below), whose sum is σ = 23156832. Its totient is φ = 23084712.

The previous prime is 23120749. The next prime is 23120789. The reversal of 23120771 is 17702132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23120771 - 2⁶ = 23120707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120711) 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 3 ways as a sum of consecutive naturals, for example, 17051 + ... + 18356.

It is an arithmetic number, because the mean of its divisors is an integer number (5789208).

Almost surely, 2^23120771 is an apocalyptic number.

23120771 is a deficient number, since it is larger than the sum of its proper divisors (36061).

23120771 is an equidigital number, since it uses as much as digits as its factorization.

23120771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36060.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 23120771 is about 4808.4062848308. The cubic root of 23120771 is about 284.8835925546.

The spelling of 23120771 in words is "twenty-three million, one hundred twenty thousand, seven hundred seventy-one".