140423403020 has 12 divisors (see below), whose sum is σ = 294889146384. Its totient is φ = 56169361200.

The previous prime is 140423402887. The next prime is 140423403047. The reversal of 140423403020 is 20304324041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3510585056 + ... + 3510585095.

It is an arithmetic number, because the mean of its divisors is an integer number (24574095532).

Almost surely, 2^140423403020 is an apocalyptic number.

140423403020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140423403020 is an abundant number, since it is smaller than the sum of its proper divisors (154465743364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140423403020 is a wasteful number, since it uses less digits than its factorization.

140423403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021170160 (or 7021170158 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 140423403020 its reverse (20304324041), we get a palindrome (160727727061).

The spelling of 140423403020 in words is "one hundred forty billion, four hundred twenty-three million, four hundred three thousand, twenty".