126523413 has 24 divisors (see below), whose sum is σ = 193190400. Its totient is φ = 79570944.

The previous prime is 126523399. The next prime is 126523421. The reversal of 126523413 is 314325621.

126523413 is a `hidden beast` number, since 1 + 2 + 652 + 3 + 4 + 1 + 3 = 666.

It is not a de Polignac number, because 126523413 - 2¹⁷ = 126392341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126523213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42508 + ... + 45386.

It is an arithmetic number, because the mean of its divisors is an integer number (8049600).

Almost surely, 2^126523413 is an apocalyptic number.

It is an amenable number.

126523413 is a deficient number, since it is larger than the sum of its proper divisors (66666987).

126523413 is a wasteful number, since it uses less digits than its factorization.

126523413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3158 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 126523413 is about 11248.2626658520. The cubic root of 126523413 is about 502.0230210656.

The spelling of 126523413 in words is "one hundred twenty-six million, five hundred twenty-three thousand, four hundred thirteen".