140323023 has 28 divisors (see below), whose sum is σ = 219561840. Its totient is φ = 89470656.

The previous prime is 140323021. The next prime is 140323031. The reversal of 140323023 is 320323041.

140323023 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 140323023 - 2¹ = 140323021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140322987 and 140323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140323021) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 12583 + ... + 20951.

Almost surely, 2^140323023 is an apocalyptic number.

140323023 is a deficient number, since it is larger than the sum of its proper divisors (79238817).

140323023 is an frugal number, since it uses more digits than its factorization.

140323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410 (or 8395 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 140323023 is about 11845.8019146025. The cubic root of 140323023 is about 519.6484593903.

Adding to 140323023 its sum of digits (18), we get a palindrome (140323041).

Adding to 140323023 its reverse (320323041), we get a palindrome (460646064).

The spelling of 140323023 in words is "one hundred forty million, three hundred twenty-three thousand, twenty-three".