40313432143 has 4 divisors (see below), whose sum is σ = 40334289448. Its totient is φ = 40292574840.

The previous prime is 40313432141. The next prime is 40313432161. The reversal of 40313432143 is 34123431304.

40313432143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40313432143 - 2¹ = 40313432141 is a prime.

It is a super-2 number, since 2×40313432143² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313432141) 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, 10425753 + ... + 10429618.

It is an arithmetic number, because the mean of its divisors is an integer number (10083572362).

Almost surely, 2^40313432143 is an apocalyptic number.

40313432143 is a deficient number, since it is larger than the sum of its proper divisors (20857305).

40313432143 is a wasteful number, since it uses less digits than its factorization.

40313432143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20857304.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40313432143 its reverse (34123431304), we get a palindrome (74436863447).

The spelling of 40313432143 in words is "forty billion, three hundred thirteen million, four hundred thirty-two thousand, one hundred forty-three".