1015212533423 has 32 divisors (see below), whose sum is σ = 1233719823168. Its totient is φ = 824540774400.

The previous prime is 1015212533417. The next prime is 1015212533453. The reversal of 1015212533423 is 3243352125101.

It is a cyclic number.

It is not a de Polignac number, because 1015212533423 - 2⁴ = 1015212533407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1015212533423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015212533453) 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, 1505690 + ... + 2073047.

It is an arithmetic number, because the mean of its divisors is an integer number (38553744474).

Almost surely, 2^{1015212533423} is an apocalyptic number.

1015212533423 is a deficient number, since it is larger than the sum of its proper divisors (218507289745).

1015212533423 is a wasteful number, since it uses less digits than its factorization.

1015212533423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578843.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1015212533423 its reverse (3243352125101), we get a palindrome (4258564658524).

The spelling of 1015212533423 in words is "one trillion, fifteen billion, two hundred twelve million, five hundred thirty-three thousand, four hundred twenty-three".