64070623 has 2 divisors, whose sum is σ = 64070624. Its totient is φ = 64070622.

The previous prime is 64070609. The next prime is 64070651. The reversal of 64070623 is 32607046.

It is an a-pointer prime, because the next prime (64070651) can be obtained adding 64070623 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64070623 - 2²⁵ = 30516191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64070591 and 64070600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64074623) 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, 32035311 + 32035312.

It is an arithmetic number, because the mean of its divisors is an integer number (32035312).

Almost surely, 2^64070623 is an apocalyptic number.

64070623 is a deficient number, since it is larger than the sum of its proper divisors (1).

64070623 is an equidigital number, since it uses as much as digits as its factorization.

64070623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 64070623 is about 8004.4127204936. The cubic root of 64070623 is about 400.1470771641.

Adding to 64070623 its reverse (32607046), we get a palindrome (96677669).

The spelling of 64070623 in words is "sixty-four million, seventy thousand, six hundred twenty-three".