120453403003 has 4 divisors (see below), whose sum is σ = 120454369200. Its totient is φ = 120452436808.

The previous prime is 120453402941. The next prime is 120453403019. The reversal of 120453403003 is 300304354021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 300304354021 = 7 ⋅42900622003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120453403003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120453403093) 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, 262528 + ... + 556621.

It is an arithmetic number, because the mean of its divisors is an integer number (30113592300).

Almost surely, 2^120453403003 is an apocalyptic number.

120453403003 is a deficient number, since it is larger than the sum of its proper divisors (966197).

120453403003 is an equidigital number, since it uses as much as digits as its factorization.

120453403003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966196.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 120453403003 its reverse (300304354021), we get a palindrome (420757757024).

The spelling of 120453403003 in words is "one hundred twenty billion, four hundred fifty-three million, four hundred three thousand, three".