140743623 has 4 divisors (see below), whose sum is σ = 187658168. Its totient is φ = 93829080.

The previous prime is 140743613. The next prime is 140743633. The reversal of 140743623 is 326347041.

140743623 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, and also an emirpimes, since its reverse is a distinct semiprime: 326347041 = 3 ⋅108782347.

It is an interprime number because it is at equal distance from previous prime (140743613) and next prime (140743633).

It is not a de Polignac number, because 140743623 - 2⁴ = 140743607 is a prime.

It is a super-2 number, since 2×140743623² = 39617534830332258, 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 (140743613) 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, 23457268 + ... + 23457273.

It is an arithmetic number, because the mean of its divisors is an integer number (46914542).

Almost surely, 2^140743623 is an apocalyptic number.

140743623 is a deficient number, since it is larger than the sum of its proper divisors (46914545).

140743623 is an equidigital number, since it uses as much as digits as its factorization.

140743623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46914544.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 140743623 is about 11863.5417561536. The cubic root of 140743623 is about 520.1671343916.

The spelling of 140743623 in words is "one hundred forty million, seven hundred forty-three thousand, six hundred twenty-three".