17223454620061 has 4 divisors (see below), whose sum is σ = 17224559907712. Its totient is φ = 17222349332412.

The previous prime is 17223454620007. The next prime is 17223454620103. The reversal of 17223454620061 is 16002645432271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17223454620061 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 (17223454620461) 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, 552620451 + ... + 552651616.

It is an arithmetic number, because the mean of its divisors is an integer number (4306139976928).

Almost surely, 2^{17223454620061} is an apocalyptic number.

It is an amenable number.

17223454620061 is a deficient number, since it is larger than the sum of its proper divisors (1105287651).

17223454620061 is a wasteful number, since it uses less digits than its factorization.

17223454620061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105287650.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 17223454620061 in words is "seventeen trillion, two hundred twenty-three billion, four hundred fifty-four million, six hundred twenty thousand, sixty-one".