940289823 has 32 divisors (see below), whose sum is σ = 1572076800. Its totient is φ = 550216800.

The previous prime is 940289821. The next prime is 940289851. The reversal of 940289823 is 328982049.

It is not a de Polignac number, because 940289823 - 2¹ = 940289821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940289821) 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 31 ways as a sum of consecutive naturals, for example, 45973 + ... + 63198.

It is an arithmetic number, because the mean of its divisors is an integer number (49127400).

Almost surely, 2^940289823 is an apocalyptic number.

940289823 is a deficient number, since it is larger than the sum of its proper divisors (631786977).

940289823 is a wasteful number, since it uses less digits than its factorization.

940289823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109220 (or 109214 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 940289823 is about 30664.1455612251. The cubic root of 940289823 is about 979.6867744643.

It can be divided in two parts, 9402 and 89823, that added together give a square (99225 = 315²).

The spelling of 940289823 in words is "nine hundred forty million, two hundred eighty-nine thousand, eight hundred twenty-three".