120003432403 has 4 divisors (see below), whose sum is σ = 120004163920. Its totient is φ = 120002700888.

The previous prime is 120003432359. The next prime is 120003432449. The reversal of 120003432403 is 304234300021.

It is a happy number.

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: 304234300021 = 41 ⋅7420348781.

It is a cyclic number.

It is not a de Polignac number, because 120003432403 - 2¹⁷ = 120003301331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120003430403) 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, 6826 + ... + 489952.

It is an arithmetic number, because the mean of its divisors is an integer number (30001040980).

Almost surely, 2^120003432403 is an apocalyptic number.

120003432403 is a deficient number, since it is larger than the sum of its proper divisors (731517).

120003432403 is an equidigital number, since it uses as much as digits as its factorization.

120003432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731516.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 120003432403 its reverse (304234300021), we get a palindrome (424237732424).

The spelling of 120003432403 in words is "one hundred twenty billion, three million, four hundred thirty-two thousand, four hundred three".