651200023 has 2 divisors, whose sum is σ = 651200024. Its totient is φ = 651200022.

The previous prime is 651199999. The next prime is 651200059. The reversal of 651200023 is 320002156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651200023 - 2¹³ = 651191831 is a prime.

It is a super-2 number, since 2×651200023² = 848122939910401058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651200063) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325600011 + 325600012.

It is an arithmetic number, because the mean of its divisors is an integer number (325600012).

Almost surely, 2^651200023 is an apocalyptic number.

651200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

651200023 is an equidigital number, since it uses as much as digits as its factorization.

651200023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 651200023 is about 25518.6211030298. The cubic root of 651200023 is about 866.7718580570.

Adding to 651200023 its reverse (320002156), we get a palindrome (971202179).

The spelling of 651200023 in words is "six hundred fifty-one million, two hundred thousand, twenty-three".