2051113423 has 2 divisors, whose sum is σ = 2051113424. Its totient is φ = 2051113422.

The previous prime is 2051113399. The next prime is 2051113439. The reversal of 2051113423 is 3243111502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051113423 - 2²¹ = 2049016271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2051113394 and 2051113403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051113123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025556711 + 1025556712.

It is an arithmetic number, because the mean of its divisors is an integer number (1025556712).

Almost surely, 2^2051113423 is an apocalyptic number.

2051113423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051113423 is an equidigital number, since it uses as much as digits as its factorization.

2051113423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2051113423 is about 45289.2197216954. The cubic root of 2051113423 is about 1270.5640380084.

Adding to 2051113423 its reverse (3243111502), we get a palindrome (5294224925).

The spelling of 2051113423 in words is "two billion, fifty-one million, one hundred thirteen thousand, four hundred twenty-three".