83239923 has 8 divisors (see below), whose sum is σ = 119524048. Its totient is φ = 51224544.

The previous prime is 83239861. The next prime is 83239943. The reversal of 83239923 is 32993238.

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

It is not a de Polignac number, because 83239923 - 2⁹ = 83239411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2134357 = 83239923 / (8 + 3 + 2 + 3 + 9 + 9 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83239943) 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, 1067140 + ... + 1067217.

It is an arithmetic number, because the mean of its divisors is an integer number (14940506).

Almost surely, 2^83239923 is an apocalyptic number.

83239923 is a deficient number, since it is larger than the sum of its proper divisors (36284125).

83239923 is a wasteful number, since it uses less digits than its factorization.

83239923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134373.

The product of its digits is 69984, while the sum is 39.

The square root of 83239923 is about 9123.5915625372. The cubic root of 83239923 is about 436.6269684660.

It can be divided in two parts, 832 and 39923, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 83239923 in words is "eighty-three million, two hundred thirty-nine thousand, nine hundred twenty-three".