126634423 has 2 divisors, whose sum is σ = 126634424. Its totient is φ = 126634422.

The previous prime is 126634399. The next prime is 126634427. The reversal of 126634423 is 324436621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126634423 - 2¹³ = 126626231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126634427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63317211 + 63317212.

It is an arithmetic number, because the mean of its divisors is an integer number (63317212).

Almost surely, 2^126634423 is an apocalyptic number.

126634423 is a deficient number, since it is larger than the sum of its proper divisors (1).

126634423 is an equidigital number, since it uses as much as digits as its factorization.

126634423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 126634423 is about 11253.1961237686. The cubic root of 126634423 is about 502.1698009735.

The spelling of 126634423 in words is "one hundred twenty-six million, six hundred thirty-four thousand, four hundred twenty-three".