123285783292 has 48 divisors (see below), whose sum is σ = 247508110080. Its totient is φ = 52636269312.

The previous prime is 123285783287. The next prime is 123285783301. The reversal of 123285783292 is 292387582321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26550723 + ... + 26555365.

It is an arithmetic number, because the mean of its divisors is an integer number (5156418960).

Almost surely, 2^123285783292 is an apocalyptic number.

It is an amenable number.

123285783292 is an abundant number, since it is smaller than the sum of its proper divisors (124222326788).

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

123285783292 is a wasteful number, since it uses less digits than its factorization.

123285783292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050 (or 8048 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 123285783292 in words is "one hundred twenty-three billion, two hundred eighty-five million, seven hundred eighty-three thousand, two hundred ninety-two".