72356023000 has 64 divisors (see below), whose sum is σ = 170059500000. Its totient is φ = 28814819200.

The previous prime is 72356022953. The next prime is 72356023001. The reversal of 72356023000 is 32065327.

It is a self number, because there is not a number n which added to its sum of digits gives 72356023000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72356023001) 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, 67626 + ... + 386374.

Almost surely, 2^72356023000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72356023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85029750000).

72356023000 is an abundant number, since it is smaller than the sum of its proper divisors (97703477000).

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

72356023000 is a wasteful number, since it uses less digits than its factorization.

72356023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318997 (or 318983 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 72356023000 its reverse (32065327), we get a palindrome (72388088327).

The spelling of 72356023000 in words is "seventy-two billion, three hundred fifty-six million, twenty-three thousand".