126263523 has 16 divisors (see below), whose sum is σ = 173327616. Its totient is φ = 81711840.

The previous prime is 126263521. The next prime is 126263653. The reversal of 126263523 is 325362621.

It is not a de Polignac number, because 126263523 - 2¹ = 126263521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126263521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18613 + ... + 24473.

It is an arithmetic number, because the mean of its divisors is an integer number (10832976).

Almost surely, 2^126263523 is an apocalyptic number.

126263523 is a deficient number, since it is larger than the sum of its proper divisors (47064093).

126263523 is a wasteful number, since it uses less digits than its factorization.

126263523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074.

The product of its digits is 12960, while the sum is 30.

The square root of 126263523 is about 11236.7042766106. The cubic root of 126263523 is about 501.6790525867.

The spelling of 126263523 in words is "one hundred twenty-six million, two hundred sixty-three thousand, five hundred twenty-three".