64532023 has 2 divisors, whose sum is σ = 64532024. Its totient is φ = 64532022.

The previous prime is 64532011. The next prime is 64532071. The reversal of 64532023 is 32023546.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64532023 - 2¹³ = 64523831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64532003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32266011 + 32266012.

It is an arithmetic number, because the mean of its divisors is an integer number (32266012).

Almost surely, 2^64532023 is an apocalyptic number.

64532023 is a deficient number, since it is larger than the sum of its proper divisors (1).

64532023 is an equidigital number, since it uses as much as digits as its factorization.

64532023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 64532023 is about 8033.1826196097. The cubic root of 64532023 is about 401.1053240833.

Adding to 64532023 its reverse (32023546), we get a palindrome (96555569).

The spelling of 64532023 in words is "sixty-four million, five hundred thirty-two thousand, twenty-three".