140446123 has 2 divisors, whose sum is σ = 140446124. Its totient is φ = 140446122.

The previous prime is 140446067. The next prime is 140446139. The reversal of 140446123 is 321644041.

140446123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (321644041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140446123 - 2¹⁷ = 140315051 is a prime.

It is a super-2 number, since 2×140446123² = 39450226931462258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140446193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70223061 + 70223062.

It is an arithmetic number, because the mean of its divisors is an integer number (70223062).

Almost surely, 2^140446123 is an apocalyptic number.

140446123 is a deficient number, since it is larger than the sum of its proper divisors (1).

140446123 is an equidigital number, since it uses as much as digits as its factorization.

140446123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 140446123 is about 11850.9967091380. The cubic root of 140446123 is about 519.8003708569.

The spelling of 140446123 in words is "one hundred forty million, four hundred forty-six thousand, one hundred twenty-three".