126229823 has 2 divisors, whose sum is σ = 126229824. Its totient is φ = 126229822.

The previous prime is 126229783. The next prime is 126229841. The reversal of 126229823 is 328922621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126229823 - 2⁸ = 126229567 is a prime.

It is a super-2 number, since 2×126229823² = 31867936429222658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126229843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63114911 + 63114912.

It is an arithmetic number, because the mean of its divisors is an integer number (63114912).

Almost surely, 2^126229823 is an apocalyptic number.

126229823 is a deficient number, since it is larger than the sum of its proper divisors (1).

126229823 is an equidigital number, since it uses as much as digits as its factorization.

126229823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 126229823 is about 11235.2046265300. The cubic root of 126229823 is about 501.6344155502.

The spelling of 126229823 in words is "one hundred twenty-six million, two hundred twenty-nine thousand, eight hundred twenty-three".