147986423 has 4 divisors (see below), whose sum is σ = 159370008. Its totient is φ = 136602840.

The previous prime is 147986413. The next prime is 147986453. The reversal of 147986423 is 324689741.

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 147986423 - 2⁴ = 147986407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147986413) 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, 5691773 + ... + 5691798.

It is an arithmetic number, because the mean of its divisors is an integer number (39842502).

Almost surely, 2^147986423 is an apocalyptic number.

147986423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

147986423 is a deficient number, since it is larger than the sum of its proper divisors (11383585).

147986423 is a wasteful number, since it uses less digits than its factorization.

147986423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383584.

The product of its digits is 290304, while the sum is 44.

The square root of 147986423 is about 12164.9670365357. The cubic root of 147986423 is about 528.9410718817.

The spelling of 147986423 in words is "one hundred forty-seven million, nine hundred eighty-six thousand, four hundred twenty-three".