140423204101 has 8 divisors (see below), whose sum is σ = 143083088280. Its totient is φ = 137763704832.

The previous prime is 140423204081. The next prime is 140423204147. The reversal of 140423204101 is 101402324041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50153602500 + 90269601601 = 223950^2 + 300449^2 .

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 140423204101 - 2⁹ = 140423203589 is a prime.

It is a super-2 number, since 2×140423204101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140423204191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702501 + ... + 879973.

It is an arithmetic number, because the mean of its divisors is an integer number (17885386035).

Almost surely, 2^140423204101 is an apocalyptic number.

It is an amenable number.

140423204101 is a deficient number, since it is larger than the sum of its proper divisors (2659884179).

140423204101 is a wasteful number, since it uses less digits than its factorization.

140423204101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192455.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 140423204101 its reverse (101402324041), we get a palindrome (241825528142).

The spelling of 140423204101 in words is "one hundred forty billion, four hundred twenty-three million, two hundred four thousand, one hundred one".