23465638789 has 2 divisors, whose sum is σ = 23465638790. Its totient is φ = 23465638788.

The previous prime is 23465638787. The next prime is 23465638793. The reversal of 23465638789 is 98783656432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21437937889 + 2027700900 = 146417^2 + 45030^2 .

It is a cyclic number.

It is not a de Polignac number, because 23465638789 - 2¹ = 23465638787 is a prime.

Together with 23465638787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23465638787) 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 as a sum of consecutive naturals, namely, 11732819394 + 11732819395.

It is an arithmetic number, because the mean of its divisors is an integer number (11732819395).

Almost surely, 2^23465638789 is an apocalyptic number.

It is an amenable number.

23465638789 is a deficient number, since it is larger than the sum of its proper divisors (1).

23465638789 is an equidigital number, since it uses as much as digits as its factorization.

23465638789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 61.

The spelling of 23465638789 in words is "twenty-three billion, four hundred sixty-five million, six hundred thirty-eight thousand, seven hundred eighty-nine".