126644023 has 8 divisors (see below), whose sum is σ = 139449600. Its totient is φ = 114053880.

The previous prime is 126644017. The next prime is 126644047. The reversal of 126644023 is 320446621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126644023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126643982 and 126644000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126644423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52623 + ... + 54976.

It is an arithmetic number, because the mean of its divisors is an integer number (17431200).

Almost surely, 2^126644023 is an apocalyptic number.

126644023 is a deficient number, since it is larger than the sum of its proper divisors (12805577).

126644023 is a wasteful number, since it uses less digits than its factorization.

126644023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107717.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 126644023 is about 11253.6226611700. The cubic root of 126644023 is about 502.1824902780.

The spelling of 126644023 in words is "one hundred twenty-six million, six hundred forty-four thousand, twenty-three".