1923013 has 2 divisors, whose sum is σ = 1923014. Its totient is φ = 1923012.

The previous prime is 1922983. The next prime is 1923017. The reversal of 1923013 is 3103291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 717409 = 1098^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1923013 - 2¹³ = 1914821 is a prime.

It is a super-3 number, since 3×1923013³ = 21333785061617889591, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1923017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961506 + 961507.

It is an arithmetic number, because the mean of its divisors is an integer number (961507).

2^1923013 is an apocalyptic number.

It is an amenable number.

1923013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1923013 is an equidigital number, since it uses as much as digits as its factorization.

1923013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1923013 is about 1386.7274425784. The cubic root of 1923013 is about 124.3542807839.

It can be divided in two parts, 19 and 23013, that added together give a palindrome (23032).

The spelling of 1923013 in words is "one million, nine hundred twenty-three thousand, thirteen".