40140323223 has 32 divisors (see below), whose sum is σ = 71859604992. Its totient is φ = 19248105600.

The previous prime is 40140323221. The next prime is 40140323287. The reversal of 40140323223 is 32232304104.

40140323223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40140323223 - 2¹ = 40140323221 is a prime.

It is a super-2 number, since 2×40140323223² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40140323193 and 40140323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140323221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6680368 + ... + 6686373.

It is an arithmetic number, because the mean of its divisors is an integer number (2245612656).

Almost surely, 2^40140323223 is an apocalyptic number.

40140323223 is a deficient number, since it is larger than the sum of its proper divisors (31719281769).

40140323223 is a wasteful number, since it uses less digits than its factorization.

40140323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13366775.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40140323223 its reverse (32232304104), we get a palindrome (72372627327).

It can be divided in two parts, 40140 and 323223, that added together give a palindrome (363363).

The spelling of 40140323223 in words is "forty billion, one hundred forty million, three hundred twenty-three thousand, two hundred twenty-three".