623203573 has 2 divisors, whose sum is σ = 623203574. Its totient is φ = 623203572.

The previous prime is 623203541. The next prime is 623203579. The reversal of 623203573 is 375302326.

623203573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608016964 + 15186609 = 24658^2 + 3897^2 .

It is a cyclic number.

It is not a de Polignac number, because 623203573 - 2⁵ = 623203541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623203579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311601786 + 311601787.

It is an arithmetic number, because the mean of its divisors is an integer number (311601787).

Almost surely, 2^623203573 is an apocalyptic number.

It is an amenable number.

623203573 is a deficient number, since it is larger than the sum of its proper divisors (1).

623203573 is an equidigital number, since it uses as much as digits as its factorization.

623203573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 623203573 is about 24964.0456056305. The cubic root of 623203573 is about 854.1680280615.

Adding to 623203573 its reverse (375302326), we get a palindrome (998505899).

The spelling of 623203573 in words is "six hundred twenty-three million, two hundred three thousand, five hundred seventy-three".