126351623 has 2 divisors, whose sum is σ = 126351624. Its totient is φ = 126351622.

The previous prime is 126351619. The next prime is 126351649. The reversal of 126351623 is 326153621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126351623 - 2² = 126351619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126351613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63175811 + 63175812.

It is an arithmetic number, because the mean of its divisors is an integer number (63175812).

Almost surely, 2^126351623 is an apocalyptic number.

126351623 is a deficient number, since it is larger than the sum of its proper divisors (1).

126351623 is an equidigital number, since it uses as much as digits as its factorization.

126351623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 126351623 is about 11240.6237816235. The cubic root of 126351623 is about 501.7957071512.

The spelling of 126351623 in words is "one hundred twenty-six million, three hundred fifty-one thousand, six hundred twenty-three".