140688023 has 24 divisors (see below), whose sum is σ = 168975072. Its totient is φ = 114701184.

The previous prime is 140688011. The next prime is 140688083. The reversal of 140688023 is 320886041.

140688023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140688023 - 2¹⁰ = 140686999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140688083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507761 + ... + 508037.

It is an arithmetic number, because the mean of its divisors is an integer number (7040628).

Almost surely, 2^140688023 is an apocalyptic number.

140688023 is a deficient number, since it is larger than the sum of its proper divisors (28287049).

140688023 is an equidigital number, since it uses as much as digits as its factorization.

140688023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 140688023 is about 11861.1982109735. The cubic root of 140688023 is about 520.0986289742.

The spelling of 140688023 in words is "one hundred forty million, six hundred eighty-eight thousand, twenty-three".