2130423403 has 2 divisors, whose sum is σ = 2130423404. Its totient is φ = 2130423402.

The previous prime is 2130423377. The next prime is 2130423409. The reversal of 2130423403 is 3043240312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130423403 - 2⁹ = 2130422891 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130423409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065211701 + 1065211702.

It is an arithmetic number, because the mean of its divisors is an integer number (1065211702).

Almost surely, 2^2130423403 is an apocalyptic number.

2130423403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130423403 is an equidigital number, since it uses as much as digits as its factorization.

2130423403 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2130423403 is about 46156.5098658900. The cubic root of 2130423403 is about 1286.7335992174.

Adding to 2130423403 its reverse (3043240312), we get a palindrome (5173663715).

The spelling of 2130423403 in words is "two billion, one hundred thirty million, four hundred twenty-three thousand, four hundred three".