23763157109 has 2 divisors, whose sum is σ = 23763157110. Its totient is φ = 23763157108.

The previous prime is 23763157081. The next prime is 23763157153. The reversal of 23763157109 is 90175136732.

It is an a-pointer prime, because the next prime (23763157153) can be obtained adding 23763157109 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18359437009 + 5403720100 = 135497^2 + 73510^2 .

It is a cyclic number.

It is not a de Polignac number, because 23763157109 - 2²⁴ = 23746379893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23763157109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23763157169) 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, 11881578554 + 11881578555.

It is an arithmetic number, because the mean of its divisors is an integer number (11881578555).

Almost surely, 2^23763157109 is an apocalyptic number.

It is an amenable number.

23763157109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23763157109 is an equidigital number, since it uses as much as digits as its factorization.

23763157109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 23763157109 in words is "twenty-three billion, seven hundred sixty-three million, one hundred fifty-seven thousand, one hundred nine".