126223623 has 32 divisors (see below), whose sum is σ = 202245120. Its totient is φ = 77500800.

The previous prime is 126223621. The next prime is 126223651. The reversal of 126223623 is 326322621.

126223623 is a `hidden beast` number, since 1 + 2 + 622 + 36 + 2 + 3 = 666.

It is not a de Polignac number, because 126223623 - 2¹ = 126223621 is a prime.

It is a super-2 number, since 2×126223623² = 31864806006492258, which contains 22 as substring.

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 (126223621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18648 + ... + 24498.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^126223623 is an apocalyptic number.

126223623 is a deficient number, since it is larger than the sum of its proper divisors (76021497).

126223623 is a wasteful number, since it uses less digits than its factorization.

126223623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924 (or 5918 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 126223623 is about 11234.9287047137. The cubic root of 126223623 is about 501.6262025299.

The spelling of 126223623 in words is "one hundred twenty-six million, two hundred twenty-three thousand, six hundred twenty-three".