17045502023 has 4 divisors (see below), whose sum is σ = 18595093128. Its totient is φ = 15495910920.

The previous prime is 17045501987. The next prime is 17045502043. The reversal of 17045502023 is 32020554071.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17045502023 - 2¹⁰ = 17045500999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17045502043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774795536 + ... + 774795557.

It is an arithmetic number, because the mean of its divisors is an integer number (4648773282).

Almost surely, 2^17045502023 is an apocalyptic number.

17045502023 is a deficient number, since it is larger than the sum of its proper divisors (1549591105).

17045502023 is a wasteful number, since it uses less digits than its factorization.

17045502023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549591104.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 17045502023 in words is "seventeen billion, forty-five million, five hundred two thousand, twenty-three".