1523402434011 has 12 divisors (see below), whose sum is σ = 2157714175352. Its totient is φ = 955860350208.

The previous prime is 1523402433929. The next prime is 1523402434027. The reversal of 1523402434011 is 1104342043251.

It is not a de Polignac number, because 1523402434011 - 2¹⁸ = 1523402171867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1523402434011.

It is not an unprimeable number, because it can be changed into a prime (1523402434091) 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 11 ways as a sum of consecutive naturals, for example, 878547250 + ... + 878548983.

Almost surely, 2^{1523402434011} is an apocalyptic number.

1523402434011 is a deficient number, since it is larger than the sum of its proper divisors (634311741341).

1523402434011 is a wasteful number, since it uses less digits than its factorization.

1523402434011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757096270 (or 1757096253 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1523402434011 its reverse (1104342043251), we get a palindrome (2627744477262).

The spelling of 1523402434011 in words is "one trillion, five hundred twenty-three billion, four hundred two million, four hundred thirty-four thousand, eleven".