65412123 has 16 divisors (see below), whose sum is σ = 101558016. Its totient is φ = 36672480.

The previous prime is 65412121. The next prime is 65412163. The reversal of 65412123 is 32121456.

It is not a de Polignac number, because 65412123 - 2¹ = 65412121 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65412093 and 65412102.

It is not an unprimeable number, because it can be changed into a prime (65412121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28273 + ... + 30498.

It is an arithmetic number, because the mean of its divisors is an integer number (6347376).

Almost surely, 2^65412123 is an apocalyptic number.

65412123 is a deficient number, since it is larger than the sum of its proper divisors (36145893).

65412123 is a wasteful number, since it uses less digits than its factorization.

65412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58834.

The product of its digits is 1440, while the sum is 24.

The square root of 65412123 is about 8087.7761467538. The cubic root of 65412123 is about 402.9205470312.

Adding to 65412123 its reverse (32121456), we get a palindrome (97533579).

The spelling of 65412123 in words is "sixty-five million, four hundred twelve thousand, one hundred twenty-three".