11423735956 has 72 divisors (see below), whose sum is σ = 22241217600. Its totient is φ = 5115830016.

The previous prime is 11423735951. The next prime is 11423735971. The reversal of 11423735956 is 65953732411.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423735951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8164945 + ... + 8166343.

It is an arithmetic number, because the mean of its divisors is an integer number (308905800).

Almost surely, 2^11423735956 is an apocalyptic number.

It is an amenable number.

11423735956 is a deficient number, since it is larger than the sum of its proper divisors (10817481644).

11423735956 is a wasteful number, since it uses less digits than its factorization.

11423735956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1668 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The spelling of 11423735956 in words is "eleven billion, four hundred twenty-three million, seven hundred thirty-five thousand, nine hundred fifty-six".