23075272109 has 2 divisors, whose sum is σ = 23075272110. Its totient is φ = 23075272108.

The previous prime is 23075272081. The next prime is 23075272147. The reversal of 23075272109 is 90127257032.

It is a happy number.

It is an a-pointer prime, because the next prime (23075272147) can be obtained adding 23075272109 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22664399209 + 410872900 = 150547^2 + 20270^2 .

It is a cyclic number.

It is not a de Polignac number, because 23075272109 - 2²⁰ = 23074223533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23075272159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11537636054 + 11537636055.

It is an arithmetic number, because the mean of its divisors is an integer number (11537636055).

Almost surely, 2^23075272109 is an apocalyptic number.

It is an amenable number.

23075272109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23075272109 is an equidigital number, since it uses as much as digits as its factorization.

23075272109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 23075272109 in words is "twenty-three billion, seventy-five million, two hundred seventy-two thousand, one hundred nine".