423683573 has 2 divisors, whose sum is σ = 423683574. Its totient is φ = 423683572.

The previous prime is 423683551. The next prime is 423683581. The reversal of 423683573 is 375386324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386436964 + 37246609 = 19658^2 + 6103^2 .

It is a cyclic number.

It is not a de Polignac number, because 423683573 - 2²² = 419489269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423683573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423683173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211841786 + 211841787.

It is an arithmetic number, because the mean of its divisors is an integer number (211841787).

Almost surely, 2^423683573 is an apocalyptic number.

It is an amenable number.

423683573 is a deficient number, since it is larger than the sum of its proper divisors (1).

423683573 is an equidigital number, since it uses as much as digits as its factorization.

423683573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The square root of 423683573 is about 20583.5753211146. The cubic root of 423683573 is about 751.0702190781.

The spelling of 423683573 in words is "four hundred twenty-three million, six hundred eighty-three thousand, five hundred seventy-three".