23809051 has 6 divisors (see below), whose sum is σ = 27696300. Its totient is φ = 20407716.

The previous prime is 23809021. The next prime is 23809063. The reversal of 23809051 is 15090832.

It is not a de Polignac number, because 23809051 - 2⁷ = 23808923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23809001) 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 5 ways as a sum of consecutive naturals, for example, 242901 + ... + 242998.

It is an arithmetic number, because the mean of its divisors is an integer number (4616050).

Almost surely, 2^23809051 is an apocalyptic number.

23809051 is a deficient number, since it is larger than the sum of its proper divisors (3887249).

23809051 is an equidigital number, since it uses as much as digits as its factorization.

23809051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485913 (or 485906 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 23809051 is about 4879.4519159430. The cubic root of 23809051 is about 287.6828870383.

Adding to 23809051 its reverse (15090832), we get a palindrome (38899883).

The spelling of 23809051 in words is "twenty-three million, eight hundred nine thousand, fifty-one".