65407023 has 24 divisors (see below), whose sum is σ = 104382720. Its totient is φ = 39134160.

The previous prime is 65407021. The next prime is 65407031. The reversal of 65407023 is 32070456.

It is a happy number.

65407023 is a `hidden beast` number, since 654 + 0 + 7 + 0 + 2 + 3 = 666.

65407023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65407023 - 2¹ = 65407021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65407021) 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 in 23 ways as a sum of consecutive naturals, for example, 3640 + ... + 12002.

It is an arithmetic number, because the mean of its divisors is an integer number (4349280).

Almost surely, 2^65407023 is an apocalyptic number.

65407023 is a deficient number, since it is larger than the sum of its proper divisors (38975697).

65407023 is a wasteful number, since it uses less digits than its factorization.

65407023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459 (or 8456 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 65407023 is about 8087.4608499825. The cubic root of 65407023 is about 402.9100752302.

Adding to 65407023 its reverse (32070456), we get a palindrome (97477479).

The spelling of 65407023 in words is "sixty-five million, four hundred seven thousand, twenty-three".