140712623 has 2 divisors, whose sum is σ = 140712624. Its totient is φ = 140712622.

The previous prime is 140712601. The next prime is 140712647. The reversal of 140712623 is 326217041.

140712623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (326217041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140712623 - 2¹² = 140708527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140712592 and 140712601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140712653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70356311 + 70356312.

It is an arithmetic number, because the mean of its divisors is an integer number (70356312).

Almost surely, 2^140712623 is an apocalyptic number.

140712623 is a deficient number, since it is larger than the sum of its proper divisors (1).

140712623 is an equidigital number, since it uses as much as digits as its factorization.

140712623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 140712623 is about 11862.2351603734. The cubic root of 140712623 is about 520.1289411509.

Adding to 140712623 its reverse (326217041), we get a palindrome (466929664).

The spelling of 140712623 in words is "one hundred forty million, seven hundred twelve thousand, six hundred twenty-three".