1513434045723 has 16 divisors (see below), whose sum is σ = 2087527522080. Its totient is φ = 974149376256.

The previous prime is 1513434045703. The next prime is 1513434045731. The reversal of 1513434045723 is 3275404343151.

It is not a de Polignac number, because 1513434045723 - 2⁸ = 1513434045467 is a prime.

It is a super-2 number, since 2×1513434045723² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1513434045703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9318711 + ... + 9479727.

It is an arithmetic number, because the mean of its divisors is an integer number (130470470130).

Almost surely, 2^{1513434045723} is an apocalyptic number.

1513434045723 is a deficient number, since it is larger than the sum of its proper divisors (574093476357).

1513434045723 is a wasteful number, since it uses less digits than its factorization.

1513434045723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269086.

The product of its (nonzero) digits is 604800, while the sum is 42.

Adding to 1513434045723 its reverse (3275404343151), we get a palindrome (4788838388874).

The spelling of 1513434045723 in words is "one trillion, five hundred thirteen billion, four hundred thirty-four million, forty-five thousand, seven hundred twenty-three".