65145323 has 2 divisors, whose sum is σ = 65145324. Its totient is φ = 65145322.

The previous prime is 65145313. The next prime is 65145329. The reversal of 65145323 is 32354156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65145323 - 2¹² = 65141227 is a prime.

It is not a weakly prime, because it can be changed into another prime (65145329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32572661 + 32572662.

It is an arithmetic number, because the mean of its divisors is an integer number (32572662).

Almost surely, 2^65145323 is an apocalyptic number.

65145323 is a deficient number, since it is larger than the sum of its proper divisors (1).

65145323 is an equidigital number, since it uses as much as digits as its factorization.

65145323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 65145323 is about 8071.2652663631. The cubic root of 65145323 is about 402.3719958688.

Adding to 65145323 its reverse (32354156), we get a palindrome (97499479).

The spelling of 65145323 in words is "sixty-five million, one hundred forty-five thousand, three hundred twenty-three".