140044262023 has 4 divisors (see below), whose sum is σ = 140184728680. Its totient is φ = 139903795368.

The previous prime is 140044261997. The next prime is 140044262093. The reversal of 140044262023 is 320262440041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320262440041 = 142697 ⋅2244353.

It is a cyclic number.

It is not a de Polignac number, because 140044262023 - 2⁵ = 140044261991 is a prime.

It is a super-2 number, since 2×140044262023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140044261982 and 140044262000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044262093) 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, 70231833 + ... + 70233826.

It is an arithmetic number, because the mean of its divisors is an integer number (35046182170).

Almost surely, 2^140044262023 is an apocalyptic number.

140044262023 is a deficient number, since it is larger than the sum of its proper divisors (140466657).

140044262023 is an equidigital number, since it uses as much as digits as its factorization.

140044262023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140466656.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 140044262023 in words is "one hundred forty billion, forty-four million, two hundred sixty-two thousand, twenty-three".