2023250716781 has 4 divisors (see below), whose sum is σ = 2312286533472. Its totient is φ = 1734214900092.

The previous prime is 2023250716727. The next prime is 2023250716843. The reversal of 2023250716781 is 1876170523202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023250716781 - 2⁶ = 2023250716717 is a prime.

It is a super-2 number, since 2×2023250716781² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023250766781) 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, 144517908335 + ... + 144517908348.

It is an arithmetic number, because the mean of its divisors is an integer number (578071633368).

Almost surely, 2^{2023250716781} is an apocalyptic number.

It is an amenable number.

2023250716781 is a deficient number, since it is larger than the sum of its proper divisors (289035816691).

2023250716781 is an equidigital number, since it uses as much as digits as its factorization.

2023250716781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289035816690.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 2023250716781 in words is "two trillion, twenty-three billion, two hundred fifty million, seven hundred sixteen thousand, seven hundred eighty-one".