86013923 has 4 divisors (see below), whose sum is σ = 86865648. Its totient is φ = 85162200.

The previous prime is 86013919. The next prime is 86013953. The reversal of 86013923 is 32931068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86013923 - 2² = 86013919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86013923.

It is not an unprimeable number, because it can be changed into a prime (86013953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425711 + ... + 425912.

It is an arithmetic number, because the mean of its divisors is an integer number (21716412).

Almost surely, 2^86013923 is an apocalyptic number.

86013923 is a deficient number, since it is larger than the sum of its proper divisors (851725).

86013923 is a wasteful number, since it uses less digits than its factorization.

86013923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851724.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 86013923 is about 9274.3691429660. The cubic root of 86013923 is about 441.4243151880.

The spelling of 86013923 in words is "eighty-six million, thirteen thousand, nine hundred twenty-three".