652045123 has 2 divisors, whose sum is σ = 652045124. Its totient is φ = 652045122.

The previous prime is 652045111. The next prime is 652045127. The reversal of 652045123 is 321540256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652045123 - 2⁹ = 652044611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 652045091 and 652045100.

It is not a weakly prime, because it can be changed into another prime (652045127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326022561 + 326022562.

It is an arithmetic number, because the mean of its divisors is an integer number (326022562).

Almost surely, 2^652045123 is an apocalyptic number.

652045123 is a deficient number, since it is larger than the sum of its proper divisors (1).

652045123 is an equidigital number, since it uses as much as digits as its factorization.

652045123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 652045123 is about 25535.1742308526. The cubic root of 652045123 is about 867.1466493278.

Adding to 652045123 its reverse (321540256), we get a palindrome (973585379).

The spelling of 652045123 in words is "six hundred fifty-two million, forty-five thousand, one hundred twenty-three".