65047923 has 6 divisors (see below), whose sum is σ = 93958124. Its totient is φ = 43365276.

The previous prime is 65047901. The next prime is 65047937. The reversal of 65047923 is 32974056.

It is not a de Polignac number, because 65047923 - 2¹³ = 65039731 is a prime.

It is a super-2 number, since 2×65047923² = 8462464573227858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65047123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3613765 + ... + 3613782.

Almost surely, 2^65047923 is an apocalyptic number.

65047923 is a deficient number, since it is larger than the sum of its proper divisors (28910201).

65047923 is a wasteful number, since it uses less digits than its factorization.

65047923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227553 (or 7227550 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 65047923 is about 8065.2292589858. The cubic root of 65047923 is about 402.1713645285.

The spelling of 65047923 in words is "sixty-five million, forty-seven thousand, nine hundred twenty-three".