126526723 has 2 divisors, whose sum is σ = 126526724. Its totient is φ = 126526722.

The previous prime is 126526721. The next prime is 126526759. The reversal of 126526723 is 327625621.

It is a weak prime.

It is an emirp because it is prime and its reverse (327625621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126526723 - 2¹ = 126526721 is a prime.

Together with 126526721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126526721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63263361 + 63263362.

It is an arithmetic number, because the mean of its divisors is an integer number (63263362).

Almost surely, 2^126526723 is an apocalyptic number.

126526723 is a deficient number, since it is larger than the sum of its proper divisors (1).

126526723 is an equidigital number, since it uses as much as digits as its factorization.

126526723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 126526723 is about 11248.4097987227. The cubic root of 126526723 is about 502.0273988633.

The spelling of 126526723 in words is "one hundred twenty-six million, five hundred twenty-six thousand, seven hundred twenty-three".