1015213071323 has 32 divisors (see below), whose sum is σ = 1153854374400. Its totient is φ = 884755872000.

The previous prime is 1015213071317. The next prime is 1015213071349. The reversal of 1015213071323 is 3231703125101.

It is not a de Polignac number, because 1015213071323 - 2¹⁴ = 1015213054939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1015213071923) 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, 131449340 + ... + 131457062.

It is an arithmetic number, because the mean of its divisors is an integer number (36057949200).

Almost surely, 2^{1015213071323} is an apocalyptic number.

1015213071323 is a deficient number, since it is larger than the sum of its proper divisors (138641303077).

1015213071323 is a wasteful number, since it uses less digits than its factorization.

1015213071323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643.

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 1015213071323 its reverse (3231703125101), we get a palindrome (4246916196424).

The spelling of 1015213071323 in words is "one trillion, fifteen billion, two hundred thirteen million, seventy-one thousand, three hundred twenty-three".