23664030051 has 4 divisors (see below), whose sum is σ = 31552040072. Its totient is φ = 15776020032.

The previous prime is 23664030007. The next prime is 23664030067. The reversal of 23664030051 is 15003046632.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23664030051 - 2⁷ = 23664029923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23664030001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3944005006 + ... + 3944005011.

It is an arithmetic number, because the mean of its divisors is an integer number (7888010018).

Almost surely, 2^23664030051 is an apocalyptic number.

23664030051 is a deficient number, since it is larger than the sum of its proper divisors (7888010021).

23664030051 is an equidigital number, since it uses as much as digits as its factorization.

23664030051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888010020.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 23664030051 its reverse (15003046632), we get a palindrome (38667076683).

The spelling of 23664030051 in words is "twenty-three billion, six hundred sixty-four million, thirty thousand, fifty-one".