23160121 has 4 divisors (see below), whose sum is σ = 23725044. Its totient is φ = 22595200.

The previous prime is 23160097. The next prime is 23160127. The reversal of 23160121 is 12106132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 22278400 = 939^2 + 4720^2 .

It is a cyclic number.

It is not a de Polignac number, because 23160121 - 2¹³ = 23151929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23160095 and 23160104.

It is not an unprimeable number, because it can be changed into a prime (23160127) 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, 282400 + ... + 282481.

It is an arithmetic number, because the mean of its divisors is an integer number (5931261).

Almost surely, 2^23160121 is an apocalyptic number.

It is an amenable number.

23160121 is a deficient number, since it is larger than the sum of its proper divisors (564923).

23160121 is an equidigital number, since it uses as much as digits as its factorization.

23160121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564922.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 23160121 is about 4812.4963376609. The cubic root of 23160121 is about 285.0451185366.

Adding to 23160121 its reverse (12106132), we get a palindrome (35266253).

The spelling of 23160121 in words is "twenty-three million, one hundred sixty thousand, one hundred twenty-one".