23340129 has 4 divisors (see below), whose sum is σ = 31120176. Its totient is φ = 15560084.

The previous prime is 23340089. The next prime is 23340137. The reversal of 23340129 is 92104332.

23340129 is nontrivially palindromic in base 16.

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 23340129 - 2⁷ = 23340001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23340099 and 23340108.

It is not an unprimeable number, because it can be changed into a prime (23340169) 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, 3890019 + ... + 3890024.

It is an arithmetic number, because the mean of its divisors is an integer number (7780044).

Almost surely, 2^23340129 is an apocalyptic number.

It is an amenable number.

23340129 is a deficient number, since it is larger than the sum of its proper divisors (7780047).

23340129 is an equidigital number, since it uses as much as digits as its factorization.

23340129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780046.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23340129 is about 4831.1622825155. The cubic root of 23340129 is about 285.7817013179.

The spelling of 23340129 in words is "twenty-three million, three hundred forty thousand, one hundred twenty-nine".