140423006 has 8 divisors (see below), whose sum is σ = 211384944. Its totient is φ = 69961360.

The previous prime is 140422999. The next prime is 140423021. The reversal of 140423006 is 600324041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140423006² = 39437241228152072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124370 + ... + 125493.

It is an arithmetic number, because the mean of its divisors is an integer number (26423118).

Almost surely, 2^140423006 is an apocalyptic number.

140423006 is a deficient number, since it is larger than the sum of its proper divisors (70961938).

140423006 is a wasteful number, since it uses less digits than its factorization.

140423006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250146.

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

The square root of 140423006 is about 11850.0213501917. The cubic root of 140423006 is about 519.7718501112.

Adding to 140423006 its reverse (600324041), we get a palindrome (740747047).

The spelling of 140423006 in words is "one hundred forty million, four hundred twenty-three thousand, six".