40052400323 has 4 divisors (see below), whose sum is σ = 43133354208. Its totient is φ = 36971446440.

The previous prime is 40052400317. The next prime is 40052400343. The reversal of 40052400323 is 32300425004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40052400323 - 2⁶ = 40052400259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40052400313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540476923 + ... + 1540476948.

It is an arithmetic number, because the mean of its divisors is an integer number (10783338552).

Almost surely, 2^40052400323 is an apocalyptic number.

40052400323 is a deficient number, since it is larger than the sum of its proper divisors (3080953885).

40052400323 is a wasteful number, since it uses less digits than its factorization.

40052400323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080953884.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 40052400323 its reverse (32300425004), we get a palindrome (72352825327).

The spelling of 40052400323 in words is "forty billion, fifty-two million, four hundred thousand, three hundred twenty-three".