126383864523 has 16 divisors (see below), whose sum is σ = 192617030400. Its totient is φ = 72207315936.

The previous prime is 126383864449. The next prime is 126383864539. The reversal of 126383864523 is 325468383621.

It is not a de Polignac number, because 126383864523 - 2⁸ = 126383864267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126383864573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371673 + ... + 625226.

It is an arithmetic number, because the mean of its divisors is an integer number (12038564400).

Almost surely, 2^126383864523 is an apocalyptic number.

126383864523 is a deficient number, since it is larger than the sum of its proper divisors (66233165877).

126383864523 is an equidigital number, since it uses as much as digits as its factorization.

126383864523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002946.

The product of its digits is 4976640, while the sum is 51.

The spelling of 126383864523 in words is "one hundred twenty-six billion, three hundred eighty-three million, eight hundred sixty-four thousand, five hundred twenty-three".