72023354353312 has 36 divisors (see below), whose sum is σ = 150627562362270. Its totient is φ = 33893343220736.

The previous prime is 72023354353259. The next prime is 72023354353361. The reversal of 72023354353312 is 21335345332027.

It can be written as a sum of positive squares in 3 ways, for example, as 57680440215696 + 14342914137616 = 7594764^2 + 3787204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3893986987 + ... + 3894005482.

Almost surely, 2^{72023354353312} is an apocalyptic number.

It is an amenable number.

72023354353312 is an abundant number, since it is smaller than the sum of its proper divisors (78604208008958).

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

72023354353312 is a wasteful number, since it uses less digits than its factorization.

72023354353312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787992513 (or 7787992488 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 43.

Adding to 72023354353312 its reverse (21335345332027), we get a palindrome (93358699685339).

The spelling of 72023354353312 in words is "seventy-two trillion, twenty-three billion, three hundred fifty-four million, three hundred fifty-three thousand, three hundred twelve".