2251242536423 has 2 divisors, whose sum is σ = 2251242536424. Its totient is φ = 2251242536422.

The previous prime is 2251242536383. The next prime is 2251242536467. The reversal of 2251242536423 is 3246352421522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2251242536423 - 2²⁶ = 2251175427559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251242536723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125621268211 + 1125621268212.

It is an arithmetic number, because the mean of its divisors is an integer number (1125621268212).

Almost surely, 2^{2251242536423} is an apocalyptic number.

2251242536423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251242536423 is an equidigital number, since it uses as much as digits as its factorization.

2251242536423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 41.

Adding to 2251242536423 its reverse (3246352421522), we get a palindrome (5497594957945).

The spelling of 2251242536423 in words is "two trillion, two hundred fifty-one billion, two hundred forty-two million, five hundred thirty-six thousand, four hundred twenty-three".