2001432403 has 2 divisors, whose sum is σ = 2001432404. Its totient is φ = 2001432402.

The previous prime is 2001432371. The next prime is 2001432413. The reversal of 2001432403 is 3042341002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001432403 - 2⁵ = 2001432371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001432413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000716201 + 1000716202.

It is an arithmetic number, because the mean of its divisors is an integer number (1000716202).

Almost surely, 2^2001432403 is an apocalyptic number.

2001432403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001432403 is an equidigital number, since it uses as much as digits as its factorization.

2001432403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2001432403 is about 44737.3714359706. The cubic root of 2001432403 is about 1260.2217638976.

Adding to 2001432403 its reverse (3042341002), we get a palindrome (5043773405).

The spelling of 2001432403 in words is "two billion, one million, four hundred thirty-two thousand, four hundred three".