140624023 has 8 divisors (see below), whose sum is σ = 141615488. Its totient is φ = 139636224.

The previous prime is 140624021. The next prime is 140624027. The reversal of 140624023 is 320426041.

It is a happy number.

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 140624023 - 2¹ = 140624021 is a prime.

It is the 11859-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140623985 and 140624003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140624021) by changing a digit.

It is a nontrivial repunit in base 11858.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149611 + ... + 150547.

It is an arithmetic number, because the mean of its divisors is an integer number (17701936).

Almost surely, 2^140624023 is an apocalyptic number.

140624023 is a deficient number, since it is larger than the sum of its proper divisors (991465).

140624023 is an equidigital number, since it uses as much as digits as its factorization.

140624023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140624023 is about 11858.5000316229. The cubic root of 140624023 is about 520.0197514687.

The spelling of 140624023 in words is "one hundred forty million, six hundred twenty-four thousand, twenty-three".