83423947292 has 48 divisors (see below), whose sum is σ = 175701120000. Its totient is φ = 33857538624.

The previous prime is 83423947291. The next prime is 83423947297. The reversal of 83423947292 is 29274932438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83423947291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325309 + ... + 1386827.

It is an arithmetic number, because the mean of its divisors is an integer number (3660440000).

Almost surely, 2^83423947292 is an apocalyptic number.

It is an amenable number.

83423947292 is an abundant number, since it is smaller than the sum of its proper divisors (92277172708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83423947292 is a wasteful number, since it uses less digits than its factorization.

83423947292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64098 (or 64096 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 53.

The spelling of 83423947292 in words is "eighty-three billion, four hundred twenty-three million, nine hundred forty-seven thousand, two hundred ninety-two".