20162343 has 8 divisors (see below), whose sum is σ = 26928256. Its totient is φ = 13419000.

The previous prime is 20162339. The next prime is 20162347. The reversal of 20162343 is 34326102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20162339) and next prime (20162347).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20162343 - 2² = 20162339 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 (20162347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (3366032).

Almost surely, 2^20162343 is an apocalyptic number.

20162343 is a deficient number, since it is larger than the sum of its proper divisors (6765913).

20162343 is a wasteful number, since it uses less digits than its factorization.

20162343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11285.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20162343 is about 4490.2497703357. The cubic root of 20162343 is about 272.1742278724.

Adding to 20162343 its reverse (34326102), we get a palindrome (54488445).

The spelling of 20162343 in words is "twenty million, one hundred sixty-two thousand, three hundred forty-three".