126776423 has 4 divisors (see below), whose sum is σ = 126844608. Its totient is φ = 126708240.

The previous prime is 126776389. The next prime is 126776431. The reversal of 126776423 is 324677621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126776423 - 2¹⁸ = 126514279 is a prime.

It is a super-2 number, since 2×126776423² = 32144522857349858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126776473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31223 + ... + 35048.

It is an arithmetic number, because the mean of its divisors is an integer number (31711152).

Almost surely, 2^126776423 is an apocalyptic number.

126776423 is a deficient number, since it is larger than the sum of its proper divisors (68185).

126776423 is an equidigital number, since it uses as much as digits as its factorization.

126776423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68184.

The product of its digits is 84672, while the sum is 38.

The square root of 126776423 is about 11259.5036746741. The cubic root of 126776423 is about 502.3574315643.

The spelling of 126776423 in words is "one hundred twenty-six million, seven hundred seventy-six thousand, four hundred twenty-three".