140550023 has 4 divisors (see below), whose sum is σ = 140625408. Its totient is φ = 140474640.

The previous prime is 140550017. The next prime is 140550029. The reversal of 140550023 is 320055041.

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

It is an interprime number because it is at equal distance from previous prime (140550017) and next prime (140550029).

It is a cyclic number.

It is not a de Polignac number, because 140550023 - 2⁸ = 140549767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140549977 and 140550004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140550029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34823 + ... + 38648.

It is an arithmetic number, because the mean of its divisors is an integer number (35156352).

Almost surely, 2^140550023 is an apocalyptic number.

140550023 is a deficient number, since it is larger than the sum of its proper divisors (75385).

140550023 is an equidigital number, since it uses as much as digits as its factorization.

140550023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75384.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 140550023 is about 11855.3794962456. The cubic root of 140550023 is about 519.9285195138.

The spelling of 140550023 in words is "one hundred forty million, five hundred fifty thousand, twenty-three".