1729212023 has 32 divisors (see below), whose sum is σ = 2279854080. Its totient is φ = 1272096000.

The previous prime is 1729211977. The next prime is 1729212031. The reversal of 1729212023 is 3202129271.

It is not a de Polignac number, because 1729212023 - 2¹⁴ = 1729195639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1729212073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89033 + ... + 106701.

It is an arithmetic number, because the mean of its divisors is an integer number (71245440).

Almost surely, 2^1729212023 is an apocalyptic number.

1729212023 is a deficient number, since it is larger than the sum of its proper divisors (550642057).

1729212023 is a wasteful number, since it uses less digits than its factorization.

1729212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1729212023 is about 41583.7951971679. The cubic root of 1729212023 is about 1200.2804953098.

The spelling of 1729212023 in words is "one billion, seven hundred twenty-nine million, two hundred twelve thousand, twenty-three".