126323444 has 18 divisors (see below), whose sum is σ = 239380470. Its totient is φ = 58302816.

The previous prime is 126323443. The next prime is 126323473. The reversal of 126323444 is 444323621.

It can be written as a sum of positive squares in 3 ways, for example, as 659344 + 125664100 = 812^2 + 11210^2 .

It is a super-2 number, since 2×126323444² = 31915225008042272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126323443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92759 + ... + 94110.

It is an arithmetic number, because the mean of its divisors is an integer number (13298915).

Almost surely, 2^126323444 is an apocalyptic number.

It is an amenable number.

126323444 is a deficient number, since it is larger than the sum of its proper divisors (113057026).

126323444 is a wasteful number, since it uses less digits than its factorization.

126323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186899 (or 186884 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 126323444 is about 11239.3702670568. The cubic root of 126323444 is about 501.7584008040.

The spelling of 126323444 in words is "one hundred twenty-six million, three hundred twenty-three thousand, four hundred forty-four".