140104423 has 16 divisors (see below), whose sum is σ = 154332000. Its totient is φ = 126669312.

The previous prime is 140104403. The next prime is 140104427. The reversal of 140104423 is 324401041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140104423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140104423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140104427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47611 + ... + 50467.

It is an arithmetic number, because the mean of its divisors is an integer number (9645750).

Almost surely, 2^140104423 is an apocalyptic number.

140104423 is a deficient number, since it is larger than the sum of its proper divisors (14227577).

140104423 is a wasteful number, since it uses less digits than its factorization.

140104423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140104423 is about 11836.5714208127. The cubic root of 140104423 is about 519.3784771038.

Adding to 140104423 its reverse (324401041), we get a palindrome (464505464).

The spelling of 140104423 in words is "one hundred forty million, one hundred four thousand, four hundred twenty-three".