126923 has 2 divisors, whose sum is σ = 126924. Its totient is φ = 126922.

The previous prime is 126913. The next prime is 126943. The reversal of 126923 is 329621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126923 - 2⁶ = 126859 is a prime.

It is a super-2 number, since 2×126923² = 32218895858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63461 + 63462.

It is an arithmetic number, because the mean of its divisors is an integer number (63462).

2¹²⁶⁹²³ is an apocalyptic number.

126923 is a deficient number, since it is larger than the sum of its proper divisors (1).

126923 is an equidigital number, since it uses as much as digits as its factorization.

126923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 126923 is about 356.2625436388. The cubic root of 126923 is about 50.2550963042.

The spelling of 126923 in words is "one hundred twenty-six thousand, nine hundred twenty-three".