1723523 has 2 divisors, whose sum is σ = 1723524. Its totient is φ = 1723522.

The previous prime is 1723489. The next prime is 1723541. The reversal of 1723523 is 3253271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1723523 - 2¹⁶ = 1657987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1723573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861761 + 861762.

It is an arithmetic number, because the mean of its divisors is an integer number (861762).

2^1723523 is an apocalyptic number.

1723523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1723523 is an equidigital number, since it uses as much as digits as its factorization.

1723523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 23.

The square root of 1723523 is about 1312.8301489530. The cubic root of 1723523 is about 119.8962761112.

Adding to 1723523 its reverse (3253271), we get a palindrome (4976794).

The spelling of 1723523 in words is "one million, seven hundred twenty-three thousand, five hundred twenty-three".