1173888423 has 16 divisors (see below), whose sum is σ = 1743037440. Its totient is φ = 780817752.

The previous prime is 1173888407. The next prime is 1173888427. The reversal of 1173888423 is 3248883711.

1173888423 is a `hidden beast` number, since 117 + 38 + 88 + 423 = 666.

It is not a de Polignac number, because 1173888423 - 2⁴ = 1173888407 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173888427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37111 + ... + 61032.

It is an arithmetic number, because the mean of its divisors is an integer number (108939840).

Almost surely, 2^1173888423 is an apocalyptic number.

1173888423 is a deficient number, since it is larger than the sum of its proper divisors (569149017).

1173888423 is an equidigital number, since it uses as much as digits as its factorization.

1173888423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98595 (or 98589 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 1173888423 is about 34262.0551485167. The cubic root of 1173888423 is about 1054.8942858818.

The spelling of 1173888423 in words is "one billion, one hundred seventy-three million, eight hundred eighty-eight thousand, four hundred twenty-three".