3140423021 has 8 divisors (see below), whose sum is σ = 3249417600. Its totient is φ = 3031475440.

The previous prime is 3140423009. The next prime is 3140423029. The reversal of 3140423021 is 1203240413.

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 3140423021 - 2²² = 3136228717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3140422984 and 3140423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140423029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174440 + ... + 191598.

It is an arithmetic number, because the mean of its divisors is an integer number (406177200).

Almost surely, 2^3140423021 is an apocalyptic number.

It is an amenable number.

3140423021 is a deficient number, since it is larger than the sum of its proper divisors (108994579).

3140423021 is a wasteful number, since it uses less digits than its factorization.

3140423021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23499.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3140423021 is about 56039.4773441009. The cubic root of 3140423021 is about 1464.4101064051.

Adding to 3140423021 its reverse (1203240413), we get a palindrome (4343663434).

The spelling of 3140423021 in words is "three billion, one hundred forty million, four hundred twenty-three thousand, twenty-one".