140528623 has 2 divisors, whose sum is σ = 140528624. Its totient is φ = 140528622.

The previous prime is 140528621. The next prime is 140528629. The reversal of 140528623 is 326825041.

140528623 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 a cyclic number.

It is not a de Polignac number, because 140528623 - 2¹ = 140528621 is a prime.

It is a super-2 number, since 2×140528623² = 39496587764552258, which contains 22 as substring.

Together with 140528621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140528621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70264311 + 70264312.

It is an arithmetic number, because the mean of its divisors is an integer number (70264312).

Almost surely, 2^140528623 is an apocalyptic number.

140528623 is a deficient number, since it is larger than the sum of its proper divisors (1).

140528623 is an equidigital number, since it uses as much as digits as its factorization.

140528623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 140528623 is about 11854.4769180255. The cubic root of 140528623 is about 519.9021302496.

The spelling of 140528623 in words is "one hundred forty million, five hundred twenty-eight thousand, six hundred twenty-three".