2043251440423 has 2 divisors, whose sum is σ = 2043251440424. Its totient is φ = 2043251440422.

The previous prime is 2043251440403. The next prime is 2043251440457. The reversal of 2043251440423 is 3240441523402.

It is an a-pointer prime, because the next prime (2043251440457) can be obtained adding 2043251440423 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2043251440423 - 2²⁵ = 2043217885991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043251440403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021625720211 + 1021625720212.

It is an arithmetic number, because the mean of its divisors is an integer number (1021625720212).

Almost surely, 2^{2043251440423} is an apocalyptic number.

2043251440423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043251440423 is an equidigital number, since it uses as much as digits as its factorization.

2043251440423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 2043251440423 its reverse (3240441523402), we get a palindrome (5283692963825).

The spelling of 2043251440423 in words is "two trillion, forty-three billion, two hundred fifty-one million, four hundred forty thousand, four hundred twenty-three".