2112423403 has 2 divisors, whose sum is σ = 2112423404. Its totient is φ = 2112423402.

The previous prime is 2112423389. The next prime is 2112423427. The reversal of 2112423403 is 3043242112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112423403 - 2²⁵ = 2078868971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112423463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056211701 + 1056211702.

It is an arithmetic number, because the mean of its divisors is an integer number (1056211702).

Almost surely, 2^2112423403 is an apocalyptic number.

2112423403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112423403 is an equidigital number, since it uses as much as digits as its factorization.

2112423403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2112423403 is about 45961.1075040626. The cubic root of 2112423403 is about 1283.0994636217.

Adding to 2112423403 its reverse (3043242112), we get a palindrome (5155665515).

The spelling of 2112423403 in words is "two billion, one hundred twelve million, four hundred twenty-three thousand, four hundred three".