140052343 has 4 divisors (see below), whose sum is σ = 140274928. Its totient is φ = 139829760.

The previous prime is 140052337. The next prime is 140052347. The reversal of 140052343 is 343250041.

140052343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140052343 is a prime.

It is a super-2 number, since 2×140052343² = 39229317559579298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140052347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110346 + ... + 111607.

It is an arithmetic number, because the mean of its divisors is an integer number (35068732).

Almost surely, 2^140052343 is an apocalyptic number.

140052343 is a deficient number, since it is larger than the sum of its proper divisors (222585).

140052343 is an equidigital number, since it uses as much as digits as its factorization.

140052343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222584.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140052343 is about 11834.3712549506. The cubic root of 140052343 is about 519.3141141979.

The spelling of 140052343 in words is "one hundred forty million, fifty-two thousand, three hundred forty-three".