1729130023 has 8 divisors (see below), whose sum is σ = 1772179920. Its totient is φ = 1686121920.

The previous prime is 1729129967. The next prime is 1729130071. The reversal of 1729130023 is 3200319271.

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 1729130023 - 2¹⁷ = 1728998951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1729129973 and 1729130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1729136023) 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, 83736 + ... + 102322.

It is an arithmetic number, because the mean of its divisors is an integer number (221522490).

Almost surely, 2^1729130023 is an apocalyptic number.

1729130023 is a deficient number, since it is larger than the sum of its proper divisors (43049897).

1729130023 is a wasteful number, since it uses less digits than its factorization.

1729130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20897.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1729130023 is about 41582.8092244860. The cubic root of 1729130023 is about 1200.2615223990.

Adding to 1729130023 its reverse (3200319271), we get a palindrome (4929449294).

The spelling of 1729130023 in words is "one billion, seven hundred twenty-nine million, one hundred thirty thousand, twenty-three".