126200023 has 4 divisors (see below), whose sum is σ = 126741888. Its totient is φ = 125658160.

The previous prime is 126200017. The next prime is 126200059. The reversal of 126200023 is 320002621.

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 126200023 - 2¹³ = 126191831 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 (126200323) 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, 270583 + ... + 271048.

It is an arithmetic number, because the mean of its divisors is an integer number (31685472).

Almost surely, 2^126200023 is an apocalyptic number.

126200023 is a deficient number, since it is larger than the sum of its proper divisors (541865).

126200023 is an equidigital number, since it uses as much as digits as its factorization.

126200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541864.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 126200023 is about 11233.8783596761. The cubic root of 126200023 is about 501.5949376051.

Adding to 126200023 its reverse (320002621), we get a palindrome (446202644).

The spelling of 126200023 in words is "one hundred twenty-six million, two hundred thousand, twenty-three".