65423247 has 16 divisors (see below), whose sum is σ = 91549440. Its totient is φ = 41478272.

The previous prime is 65423233. The next prime is 65423273. The reversal of 65423247 is 74232456.

It is a cyclic number.

It is not a de Polignac number, because 65423247 - 2⁷ = 65423119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65423207) 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, 9703 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (5721840).

Almost surely, 2^65423247 is an apocalyptic number.

65423247 is a deficient number, since it is larger than the sum of its proper divisors (26126193).

65423247 is a wasteful number, since it uses less digits than its factorization.

65423247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502.

The product of its digits is 40320, while the sum is 33.

The square root of 65423247 is about 8088.4638220122. The cubic root of 65423247 is about 402.9433859888.

The spelling of 65423247 in words is "sixty-five million, four hundred twenty-three thousand, two hundred forty-seven".