17608513123 has 2 divisors, whose sum is σ = 17608513124. Its totient is φ = 17608513122.

The previous prime is 17608513061. The next prime is 17608513127. The reversal of 17608513123 is 32131580671.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17608513123 is a prime.

It is not a weakly prime, because it can be changed into another prime (17608513127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8804256561 + 8804256562.

It is an arithmetic number, because the mean of its divisors is an integer number (8804256562).

Almost surely, 2^17608513123 is an apocalyptic number.

17608513123 is a deficient number, since it is larger than the sum of its proper divisors (1).

17608513123 is an equidigital number, since it uses as much as digits as its factorization.

17608513123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 17608513123 in words is "seventeen billion, six hundred eight million, five hundred thirteen thousand, one hundred twenty-three".