23340121 has 10 divisors (see below), whose sum is σ = 27231322. Its totient is φ = 20003760.

The previous prime is 23340089. The next prime is 23340137. The reversal of 23340121 is 12104332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 9834496 = 3675^2 + 3136^2 .

It is not a de Polignac number, because 23340121 - 2⁵ = 23340089 is a prime.

It is a super-2 number, since 2×23340121² = 1089522496589282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23340095 and 23340104.

It is not an unprimeable number, because it can be changed into a prime (23344121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2460 + ... + 7261.

Almost surely, 2^23340121 is an apocalyptic number.

It is an amenable number.

23340121 is a deficient number, since it is larger than the sum of its proper divisors (3891201).

23340121 is an frugal number, since it uses more digits than its factorization.

23340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749 (or 9728 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23340121 is about 4831.1614545573. The cubic root of 23340121 is about 285.7816686667.

Adding to 23340121 its reverse (12104332), we get a palindrome (35444453).

The spelling of 23340121 in words is "twenty-three million, three hundred forty thousand, one hundred twenty-one".