23130851 has 4 divisors (see below), whose sum is σ = 23297400. Its totient is φ = 22964304.

The previous prime is 23130839. The next prime is 23130869. The reversal of 23130851 is 15803132.

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 23130851 - 2¹⁴ = 23114467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130871) 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, 83066 + ... + 83343.

It is an arithmetic number, because the mean of its divisors is an integer number (5824350).

Almost surely, 2^23130851 is an apocalyptic number.

23130851 is a deficient number, since it is larger than the sum of its proper divisors (166549).

23130851 is a wasteful number, since it uses less digits than its factorization.

23130851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166548.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 23130851 is about 4809.4543349532. The cubic root of 23130851 is about 284.9249869267.

Adding to 23130851 its reverse (15803132), we get a palindrome (38933983).

The spelling of 23130851 in words is "twenty-three million, one hundred thirty thousand, eight hundred fifty-one".