23120512001 has 4 divisors (see below), whose sum is σ = 23332626900. Its totient is φ = 22908397104.

The previous prime is 23120511983. The next prime is 23120512021. The reversal of 23120512001 is 10021502132.

It is a happy number.

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 18758041600 + 4362470401 = 136960^2 + 66049^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120512001 - 2¹⁰ = 23120510977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120512021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106057286 + ... + 106057503.

It is an arithmetic number, because the mean of its divisors is an integer number (5833156725).

Almost surely, 2^23120512001 is an apocalyptic number.

It is an amenable number.

23120512001 is a deficient number, since it is larger than the sum of its proper divisors (212114899).

23120512001 is a wasteful number, since it uses less digits than its factorization.

23120512001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212114898.

The product of its (nonzero) digits is 120, while the sum is 17.

The spelling of 23120512001 in words is "twenty-three billion, one hundred twenty million, five hundred twelve thousand, one".