40423434431103 has 48 divisors (see below), whose sum is σ = 62641798521120. Its totient is φ = 26018924488704.

The previous prime is 40423434431089. The next prime is 40423434431119. The reversal of 40423434431103 is 30113443432404.

40423434431103 is a `hidden beast` number, since 40 + 4 + 23 + 43 + 443 + 110 + 3 = 666.

It is not a de Polignac number, because 40423434431103 - 2⁴ = 40423434431087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423434431173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 340684275 + ... + 340802907.

It is an arithmetic number, because the mean of its divisors is an integer number (1305037469190).

Almost surely, 2^{40423434431103} is an apocalyptic number.

40423434431103 is a deficient number, since it is larger than the sum of its proper divisors (22218364090017).

40423434431103 is a wasteful number, since it uses less digits than its factorization.

40423434431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167030 (or 167018 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 40423434431103 its reverse (30113443432404), we get a palindrome (70536877863507).

The spelling of 40423434431103 in words is "forty trillion, four hundred twenty-three billion, four hundred thirty-four million, four hundred thirty-one thousand, one hundred three".