10781423 has 2 divisors, whose sum is σ = 10781424. Its totient is φ = 10781422.

The previous prime is 10781399. The next prime is 10781461. The reversal of 10781423 is 32418701.

10781423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10781423 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10781392 and 10781401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10781473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5390711 + 5390712.

It is an arithmetic number, because the mean of its divisors is an integer number (5390712).

Almost surely, 2^10781423 is an apocalyptic number.

10781423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10781423 is an equidigital number, since it uses as much as digits as its factorization.

10781423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 10781423 is about 3283.5077280250. The cubic root of 10781423 is about 220.9150796763.

The spelling of 10781423 in words is "ten million, seven hundred eighty-one thousand, four hundred twenty-three".