64023143 has 2 divisors, whose sum is σ = 64023144. Its totient is φ = 64023142.

The previous prime is 64023131. The next prime is 64023199. The reversal of 64023143 is 34132046.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64023143 - 2¹² = 64019047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64023943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011571 + 32011572.

It is an arithmetic number, because the mean of its divisors is an integer number (32011572).

Almost surely, 2^64023143 is an apocalyptic number.

64023143 is a deficient number, since it is larger than the sum of its proper divisors (1).

64023143 is an equidigital number, since it uses as much as digits as its factorization.

64023143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 64023143 is about 8001.4463067623. The cubic root of 64023143 is about 400.0482087729.

Adding to 64023143 its reverse (34132046), we get a palindrome (98155189).

The spelling of 64023143 in words is "sixty-four million, twenty-three thousand, one hundred forty-three".