86323653 has 12 divisors (see below), whose sum is σ = 134281420. Its totient is φ = 53122176.

The previous prime is 86323649. The next prime is 86323663. The reversal of 86323653 is 35632368.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 78269409 = 2838^2 + 8847^2 .

It is not a de Polignac number, because 86323653 - 2² = 86323649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86323663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368788 + ... + 369021.

Almost surely, 2^86323653 is an apocalyptic number.

It is an amenable number.

86323653 is a deficient number, since it is larger than the sum of its proper divisors (47957767).

86323653 is a wasteful number, since it uses less digits than its factorization.

86323653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737828 (or 737825 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 86323653 is about 9291.0523085386. The cubic root of 86323653 is about 441.9535263000.

It can be divided in two parts, 8632365 and 3, that added together give a palindrome (8632368).

The spelling of 86323653 in words is "eighty-six million, three hundred twenty-three thousand, six hundred fifty-three".