5149423 has 2 divisors, whose sum is σ = 5149424. Its totient is φ = 5149422.

The previous prime is 5149421. The next prime is 5149429. The reversal of 5149423 is 3249415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5149423 - 2¹ = 5149421 is a prime.

Together with 5149421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5149391 and 5149400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5149421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2574711 + 2574712.

It is an arithmetic number, because the mean of its divisors is an integer number (2574712).

Almost surely, 2^5149423 is an apocalyptic number.

5149423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5149423 is an equidigital number, since it uses as much as digits as its factorization.

5149423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 5149423 is about 2269.2340117317. The cubic root of 5149423 is about 172.6843006758.

The spelling of 5149423 in words is "five million, one hundred forty-nine thousand, four hundred twenty-three".