72023354353361 has 2 divisors, whose sum is σ = 72023354353362. Its totient is φ = 72023354353360.

The previous prime is 72023354353259. The next prime is 72023354353381. The reversal of 72023354353361 is 16335345332027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71032869610000 + 990484743361 = 8428100^2 + 995231^2 .

It is a cyclic number.

It is not a de Polignac number, because 72023354353361 - 2²⁶ = 72023287244497 is a prime.

It is not a weakly prime, because it can be changed into another prime (72023354353381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36011677176680 + 36011677176681.

It is an arithmetic number, because the mean of its divisors is an integer number (36011677176681).

Almost surely, 2^{72023354353361} is an apocalyptic number.

It is an amenable number.

72023354353361 is a deficient number, since it is larger than the sum of its proper divisors (1).

72023354353361 is an equidigital number, since it uses as much as digits as its factorization.

72023354353361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 47.

Adding to 72023354353361 its reverse (16335345332027), we get a palindrome (88358699685388).

The spelling of 72023354353361 in words is "seventy-two trillion, twenty-three billion, three hundred fifty-four million, three hundred fifty-three thousand, three hundred sixty-one".