40431223102 has 4 divisors (see below), whose sum is σ = 60646834656. Its totient is φ = 20215611550.

The previous prime is 40431223073. The next prime is 40431223111. The reversal of 40431223102 is 20132213404.

40431223102 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107805774 + ... + 10107805777.

It is an arithmetic number, because the mean of its divisors is an integer number (15161708664).

Almost surely, 2^40431223102 is an apocalyptic number.

40431223102 is a deficient number, since it is larger than the sum of its proper divisors (20215611554).

40431223102 is a wasteful number, since it uses less digits than its factorization.

40431223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215611553.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40431223102 its reverse (20132213404), we get a palindrome (60563436506).

The spelling of 40431223102 in words is "forty billion, four hundred thirty-one million, two hundred twenty-three thousand, one hundred two".