126144623 has 4 divisors (see below), whose sum is σ = 137612328. Its totient is φ = 114676920.

The previous prime is 126144617. The next prime is 126144637. The reversal of 126144623 is 326441621.

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 126144623 - 2¹⁰ = 126143599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126144323) 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, 5733836 + ... + 5733857.

It is an arithmetic number, because the mean of its divisors is an integer number (34403082).

Almost surely, 2^126144623 is an apocalyptic number.

126144623 is a deficient number, since it is larger than the sum of its proper divisors (11467705).

126144623 is a wasteful number, since it uses less digits than its factorization.

126144623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467704.

The product of its digits is 6912, while the sum is 29.

The square root of 126144623 is about 11231.4123332731. The cubic root of 126144623 is about 501.5215292012.

The spelling of 126144623 in words is "one hundred twenty-six million, one hundred forty-four thousand, six hundred twenty-three".