126342423 has 20 divisors (see below), whose sum is σ = 191939880. Its totient is φ = 82797552.

The previous prime is 126342413. The next prime is 126342431. The reversal of 126342423 is 324243621.

126342423 is a `hidden beast` number, since 1 + 2 + 634 + 2 + 4 + 23 = 666.

It is not a de Polignac number, because 126342423 - 2¹² = 126338327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126342413) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8440 + ... + 17997.

It is an arithmetic number, because the mean of its divisors is an integer number (9596994).

Almost surely, 2^126342423 is an apocalyptic number.

126342423 is a deficient number, since it is larger than the sum of its proper divisors (65597457).

126342423 is an equidigital number, since it uses as much as digits as its factorization.

126342423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508 (or 26499 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 126342423 is about 11240.2145442158. The cubic root of 126342423 is about 501.7835278259.

The spelling of 126342423 in words is "one hundred twenty-six million, three hundred forty-two thousand, four hundred twenty-three".