11523431706 has 64 divisors (see below), whose sum is σ = 24713441280. Its totient is φ = 3575436480.

The previous prime is 11523431671. The next prime is 11523431719. The reversal of 11523431706 is 60713432511.

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 31 ways as a sum of consecutive naturals, for example, 537411 + ... + 558441.

It is an arithmetic number, because the mean of its divisors is an integer number (386147520).

Almost surely, 2^11523431706 is an apocalyptic number.

11523431706 is an abundant number, since it is smaller than the sum of its proper divisors (13190009574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11523431706 is a wasteful number, since it uses less digits than its factorization.

11523431706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21179.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 11523431706 in words is "eleven billion, five hundred twenty-three million, four hundred thirty-one thousand, seven hundred six".