120000723 has 4 divisors (see below), whose sum is σ = 160000968. Its totient is φ = 80000480.

The previous prime is 120000719. The next prime is 120000733. The reversal of 120000723 is 327000021.

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 120000723 - 2² = 120000719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120000703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000118 + ... + 20000123.

It is an arithmetic number, because the mean of its divisors is an integer number (40000242).

Almost surely, 2^120000723 is an apocalyptic number.

120000723 is a deficient number, since it is larger than the sum of its proper divisors (40000245).

120000723 is an equidigital number, since it uses as much as digits as its factorization.

120000723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000244.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 120000723 is about 10954.4841503377. The cubic root of 120000723 is about 493.2434054593.

Adding to 120000723 its reverse (327000021), we get a palindrome (447000744).

The spelling of 120000723 in words is "one hundred twenty million, seven hundred twenty-three", and thus it is an aban number.