23130829 has 4 divisors (see below), whose sum is σ = 24491484. Its totient is φ = 21770176.

The previous prime is 23130827. The next prime is 23130839. The reversal of 23130829 is 92803132.

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 13675204 + 9455625 = 3698^2 + 3075^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130829 - 2¹ = 23130827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23130797 and 23130806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680302 + ... + 680335.

It is an arithmetic number, because the mean of its divisors is an integer number (6122871).

Almost surely, 2^23130829 is an apocalyptic number.

It is an amenable number.

23130829 is a deficient number, since it is larger than the sum of its proper divisors (1360655).

23130829 is a wasteful number, since it uses less digits than its factorization.

23130829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360654.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23130829 is about 4809.4520477909. The cubic root of 23130829 is about 284.9248965950.

The spelling of 23130829 in words is "twenty-three million, one hundred thirty thousand, eight hundred twenty-nine".