40243443103 has 4 divisors (see below), whose sum is σ = 42610704480. Its totient is φ = 37876181728.

The previous prime is 40243443101. The next prime is 40243443133. The reversal of 40243443103 is 30134434204.

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 40243443103 - 2¹ = 40243443101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243443101) 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, 1183630663 + ... + 1183630696.

It is an arithmetic number, because the mean of its divisors is an integer number (10652676120).

Almost surely, 2^40243443103 is an apocalyptic number.

40243443103 is a deficient number, since it is larger than the sum of its proper divisors (2367261377).

40243443103 is a wasteful number, since it uses less digits than its factorization.

40243443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367261376.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40243443103 its reverse (30134434204), we get a palindrome (70377877307).

The spelling of 40243443103 in words is "forty billion, two hundred forty-three million, four hundred forty-three thousand, one hundred three".