23128836737 has 2 divisors, whose sum is σ = 23128836738. Its totient is φ = 23128836736.

The previous prime is 23128836727. The next prime is 23128836749. The reversal of 23128836737 is 73763882132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21750645361 + 1378191376 = 147481^2 + 37124^2 .

It is a cyclic number.

It is not a de Polignac number, because 23128836737 - 2¹⁰ = 23128835713 is a prime.

It is not a weakly prime, because it can be changed into another prime (23128836727) 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 as a sum of consecutive naturals, namely, 11564418368 + 11564418369.

It is an arithmetic number, because the mean of its divisors is an integer number (11564418369).

Almost surely, 2^23128836737 is an apocalyptic number.

It is an amenable number.

23128836737 is a deficient number, since it is larger than the sum of its proper divisors (1).

23128836737 is an equidigital number, since it uses as much as digits as its factorization.

23128836737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 50.

The spelling of 23128836737 in words is "twenty-three billion, one hundred twenty-eight million, eight hundred thirty-six thousand, seven hundred thirty-seven".