23072114509 has 4 divisors (see below), whose sum is σ = 23100634620. Its totient is φ = 23043594400.

The previous prime is 23072114479. The next prime is 23072114539. The reversal of 23072114509 is 90541127032.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (23072114479) and next prime (23072114539).

It can be written as a sum of positive squares in 2 ways, for example, as 10404612009 + 12667502500 = 102003^2 + 112550^2 .

It is a cyclic number.

It is not a de Polignac number, because 23072114509 - 2¹¹ = 23072112461 is a prime.

It is a super-2 number, since 2×23072114509² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072114539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14258842 + ... + 14260459.

It is an arithmetic number, because the mean of its divisors is an integer number (5775158655).

Almost surely, 2^23072114509 is an apocalyptic number.

It is an amenable number.

23072114509 is a deficient number, since it is larger than the sum of its proper divisors (28520111).

23072114509 is an equidigital number, since it uses as much as digits as its factorization.

23072114509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28520110.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 23072114509 in words is "twenty-three billion, seventy-two million, one hundred fourteen thousand, five hundred nine".