140623147 has 8 divisors (see below), whose sum is σ = 160784352. Its totient is φ = 120480000.

The previous prime is 140623141. The next prime is 140623157. The reversal of 140623147 is 741326041.

140623147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140623147 - 2²³ = 132234539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140623141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25497 + ... + 30517.

It is an arithmetic number, because the mean of its divisors is an integer number (20098044).

Almost surely, 2^140623147 is an apocalyptic number.

140623147 is a deficient number, since it is larger than the sum of its proper divisors (20161205).

140623147 is an equidigital number, since it uses as much as digits as its factorization.

140623147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 140623147 is about 11858.4630960340. The cubic root of 140623147 is about 520.0186716668.

Adding to 140623147 its reverse (741326041), we get a palindrome (881949188).

The spelling of 140623147 in words is "one hundred forty million, six hundred twenty-three thousand, one hundred forty-seven".