1720367244223 has 8 divisors (see below), whose sum is σ = 1725957605376. Its totient is φ = 1714782605400.

The previous prime is 1720367244217. The next prime is 1720367244241. The reversal of 1720367244223 is 3224427630271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1720367244223 - 2²¹ = 1720365147071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1720367244223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720367244203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827913 + ... + 2031298.

It is an arithmetic number, because the mean of its divisors is an integer number (215744700672).

Almost surely, 2^{1720367244223} is an apocalyptic number.

1720367244223 is a deficient number, since it is larger than the sum of its proper divisors (5590361153).

1720367244223 is a wasteful number, since it uses less digits than its factorization.

1720367244223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861165.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 1720367244223 in words is "one trillion, seven hundred twenty billion, three hundred sixty-seven million, two hundred forty-four thousand, two hundred twenty-three".