23134782617 has 2 divisors, whose sum is σ = 23134782618. Its totient is φ = 23134782616.

The previous prime is 23134782589. The next prime is 23134782623. The reversal of 23134782617 is 71628743132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13783699216 + 9351083401 = 117404^2 + 96701^2 .

It is a cyclic number.

It is not a de Polignac number, because 23134782617 - 2¹⁸ = 23134520473 is a prime.

It is not a weakly prime, because it can be changed into another prime (23134782677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567391308 + 11567391309.

It is an arithmetic number, because the mean of its divisors is an integer number (11567391309).

Almost surely, 2^23134782617 is an apocalyptic number.

It is an amenable number.

23134782617 is a deficient number, since it is larger than the sum of its proper divisors (1).

23134782617 is an equidigital number, since it uses as much as digits as its factorization.

23134782617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The spelling of 23134782617 in words is "twenty-three billion, one hundred thirty-four million, seven hundred eighty-two thousand, six hundred seventeen".