126545623 has 2 divisors, whose sum is σ = 126545624. Its totient is φ = 126545622.

The previous prime is 126545561. The next prime is 126545633. The reversal of 126545623 is 326545621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126545623 - 2¹³ = 126537431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126545633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63272811 + 63272812.

It is an arithmetic number, because the mean of its divisors is an integer number (63272812).

Almost surely, 2^126545623 is an apocalyptic number.

126545623 is a deficient number, since it is larger than the sum of its proper divisors (1).

126545623 is an equidigital number, since it uses as much as digits as its factorization.

126545623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 126545623 is about 11249.2498861035. The cubic root of 126545623 is about 502.0523944932.

The spelling of 126545623 in words is "one hundred twenty-six million, five hundred forty-five thousand, six hundred twenty-three".