1252513402323 has 16 divisors (see below), whose sum is σ = 1758174096000. Its totient is φ = 790943849280.

The previous prime is 1252513402267. The next prime is 1252513402339. The reversal of 1252513402323 is 3232043152521.

It is not a de Polignac number, because 1252513402323 - 2²⁰ = 1252512353747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252513404323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239673 + ... + 2010426.

It is an arithmetic number, because the mean of its divisors is an integer number (109885881000).

Almost surely, 2^{1252513402323} is an apocalyptic number.

1252513402323 is a deficient number, since it is larger than the sum of its proper divisors (505660693677).

1252513402323 is a wasteful number, since it uses less digits than its factorization.

1252513402323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256882.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 1252513402323 its reverse (3232043152521), we get a palindrome (4484556554844).

The spelling of 1252513402323 in words is "one trillion, two hundred fifty-two billion, five hundred thirteen million, four hundred two thousand, three hundred twenty-three".