40123323 has 16 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 26553960.

The previous prime is 40123313. The next prime is 40123333. The reversal of 40123323 is 32332104.

It is an interprime number because it is at equal distance from previous prime (40123313) and next prime (40123333).

It is not a de Polignac number, because 40123323 - 2¹² = 40119227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40123296 and 40123305.

It is not an unprimeable number, because it can be changed into a prime (40123313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593 + ... + 9098.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2^40123323 is an apocalyptic number.

40123323 is a deficient number, since it is larger than the sum of its proper divisors (19751877).

40123323 is a wasteful number, since it uses less digits than its factorization.

40123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10839 (or 10833 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40123323 is about 6334.2973564556. The cubic root of 40123323 is about 342.3462943606.

Adding to 40123323 its reverse (32332104), we get a palindrome (72455427).

The spelling of 40123323 in words is "forty million, one hundred twenty-three thousand, three hundred twenty-three".