11423705570 has 16 divisors (see below), whose sum is σ = 20571151608. Its totient is φ = 4567597440.

The previous prime is 11423705497. The next prime is 11423705603. The reversal of 11423705570 is 7550732411.

It can be written as a sum of positive squares in 4 ways, for example, as 11044118281 + 379587289 = 105091^2 + 19483^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11423705570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210011 + ... + 258750.

Almost surely, 2^11423705570 is an apocalyptic number.

11423705570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11423705570 is a deficient number, since it is larger than the sum of its proper divisors (9147446038).

11423705570 is a wasteful number, since it uses less digits than its factorization.

11423705570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471205.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 11423705570 in words is "eleven billion, four hundred twenty-three million, seven hundred five thousand, five hundred seventy".