140423255 has 16 divisors (see below), whose sum is σ = 193397760. Its totient is φ = 95881632.

The previous prime is 140423207. The next prime is 140423317. The reversal of 140423255 is 552324041.

It is a happy number.

140423255 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 140423255 - 2⁸ = 140422999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29 + ... + 16758.

It is an arithmetic number, because the mean of its divisors is an integer number (12087360).

Almost surely, 2^140423255 is an apocalyptic number.

140423255 is a deficient number, since it is larger than the sum of its proper divisors (52974505).

140423255 is a wasteful number, since it uses less digits than its factorization.

140423255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17038.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 140423255 is about 11850.0318564973. The cubic root of 140423255 is about 519.7721573332.

Adding to 140423255 its reverse (552324041), we get a palindrome (692747296).

The spelling of 140423255 in words is "one hundred forty million, four hundred twenty-three thousand, two hundred fifty-five".