23078275559 has 2 divisors, whose sum is σ = 23078275560. Its totient is φ = 23078275558.

The previous prime is 23078275541. The next prime is 23078275621. The reversal of 23078275559 is 95557287032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23078275559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23078275559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23078275459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11539137779 + 11539137780.

It is an arithmetic number, because the mean of its divisors is an integer number (11539137780).

Almost surely, 2^23078275559 is an apocalyptic number.

23078275559 is a deficient number, since it is larger than the sum of its proper divisors (1).

23078275559 is an equidigital number, since it uses as much as digits as its factorization.

23078275559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 23078275559 in words is "twenty-three billion, seventy-eight million, two hundred seventy-five thousand, five hundred fifty-nine".