126368723 has 4 divisors (see below), whose sum is σ = 136089408. Its totient is φ = 116648040.

The previous prime is 126368719. The next prime is 126368731. The reversal of 126368723 is 327863621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327863621 = 1153 ⋅284357.

It is a cyclic number.

It is not a de Polignac number, because 126368723 - 2² = 126368719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126368713) 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, 4860323 + ... + 4860348.

It is an arithmetic number, because the mean of its divisors is an integer number (34022352).

Almost surely, 2^126368723 is an apocalyptic number.

126368723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126368723 is a deficient number, since it is larger than the sum of its proper divisors (9720685).

126368723 is an equidigital number, since it uses as much as digits as its factorization.

126368723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720684.

The product of its digits is 72576, while the sum is 38.

The square root of 126368723 is about 11241.3843898338. The cubic root of 126368723 is about 501.8183432396.

The spelling of 126368723 in words is "one hundred twenty-six million, three hundred sixty-eight thousand, seven hundred twenty-three".