126423236 has 6 divisors (see below), whose sum is σ = 221240670. Its totient is φ = 63211616.

The previous prime is 126423233. The next prime is 126423277. The reversal of 126423236 is 632324621.

It can be written as a sum of positive squares in only one way, i.e., 102900736 + 23522500 = 10144^2 + 4850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126423199 and 126423208.

It is not an unprimeable number, because it can be changed into a prime (126423233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15802901 + ... + 15802908.

It is an arithmetic number, because the mean of its divisors is an integer number (36873445).

Almost surely, 2^126423236 is an apocalyptic number.

It is an amenable number.

126423236 is a deficient number, since it is larger than the sum of its proper divisors (94817434).

126423236 is a wasteful number, since it uses less digits than its factorization.

126423236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31605813 (or 31605811 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 126423236 is about 11243.8087852827. The cubic root of 126423236 is about 501.8904910783.

Adding to 126423236 its reverse (632324621), we get a palindrome (758747857).

The spelling of 126423236 in words is "one hundred twenty-six million, four hundred twenty-three thousand, two hundred thirty-six".