40123432103 has 8 divisors (see below), whose sum is σ = 40173334128. Its totient is φ = 40073556544.

The previous prime is 40123432087. The next prime is 40123432211. The reversal of 40123432103 is 30123432104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40123432103 - 2⁴ = 40123432087 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 (40123432603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6110300 + ... + 6116862.

It is an arithmetic number, because the mean of its divisors is an integer number (5021666766).

Almost surely, 2^40123432103 is an apocalyptic number.

40123432103 is a deficient number, since it is larger than the sum of its proper divisors (49902025).

40123432103 is a wasteful number, since it uses less digits than its factorization.

40123432103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40123432103 its reverse (30123432104), we get a palindrome (70246864207).

Subtracting from 40123432103 its reverse (30123432104), we obtain a palindrome (9999999999).

The spelling of 40123432103 in words is "forty billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred three".