120040023 has 4 divisors (see below), whose sum is σ = 160053368. Its totient is φ = 80026680.

The previous prime is 120040003. The next prime is 120040027. The reversal of 120040023 is 320040021.

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

It is not a de Polignac number, because 120040023 - 2¹³ = 120031831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120039990 and 120040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120040027) 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, 20006668 + ... + 20006673.

It is an arithmetic number, because the mean of its divisors is an integer number (40013342).

Almost surely, 2^120040023 is an apocalyptic number.

120040023 is a deficient number, since it is larger than the sum of its proper divisors (40013345).

120040023 is an equidigital number, since it uses as much as digits as its factorization.

120040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40013344.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120040023 is about 10956.2777894685. The cubic root of 120040023 is about 493.2972449963.

Adding to 120040023 its reverse (320040021), we get a palindrome (440080044).

The spelling of 120040023 in words is "one hundred twenty million, forty thousand, twenty-three".