17223675121 has 9 divisors (see below), whose sum is σ = 17706753099. Its totient is φ = 16753445784.

The previous prime is 17223675101. The next prime is 17223675127. The reversal of 17223675121 is 12157632271.

The square root of 17223675121 is 131239.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15411981025 + 1811694096 = 124145^2 + 42564^2 .

It is not a de Polignac number, because 17223675121 - 2⁹ = 17223674609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17223675127) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4854070 + ... + 4857616.

It is an arithmetic number, because the mean of its divisors is an integer number (1967417011).

Almost surely, 2^17223675121 is an apocalyptic number.

17223675121 is the 131239-th square number.

17223675121 is the 65620-th centered octagonal number.

It is an amenable number.

17223675121 is a deficient number, since it is larger than the sum of its proper divisors (483077978).

17223675121 is an frugal number, since it uses more digits than its factorization.

17223675121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168 (or 3584 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The spelling of 17223675121 in words is "seventeen billion, two hundred twenty-three million, six hundred seventy-five thousand, one hundred twenty-one".