140063523 has 16 divisors (see below), whose sum is σ = 188937216. Its totient is φ = 92289600.

The previous prime is 140063507. The next prime is 140063557. The reversal of 140063523 is 325360041.

It is a happy number.

It is not a de Polignac number, because 140063523 - 2⁴ = 140063507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140063493 and 140063502.

It is not an unprimeable number, because it can be changed into a prime (140063593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104886 + ... + 106212.

It is an arithmetic number, because the mean of its divisors is an integer number (11808576).

Almost surely, 2^140063523 is an apocalyptic number.

140063523 is a deficient number, since it is larger than the sum of its proper divisors (48873693).

140063523 is a wasteful number, since it uses less digits than its factorization.

140063523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 140063523 is about 11834.8435984596. The cubic root of 140063523 is about 519.3279323109.

The spelling of 140063523 in words is "one hundred forty million, sixty-three thousand, five hundred twenty-three".