72302132123311 has 8 divisors (see below), whose sum is σ = 72369053329104. Its totient is φ = 72235212329280.

The previous prime is 72302132123281. The next prime is 72302132123327. The reversal of 72302132123311 is 11332123120327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72302132123311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72302132121311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121569576 + ... + 122162866.

It is an arithmetic number, because the mean of its divisors is an integer number (9046131666138).

Almost surely, 2^{72302132123311} is an apocalyptic number.

72302132123311 is a deficient number, since it is larger than the sum of its proper divisors (66921205793).

72302132123311 is a wasteful number, since it uses less digits than its factorization.

72302132123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705881.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 72302132123311 its reverse (11332123120327), we get a palindrome (83634255243638).

The spelling of 72302132123311 in words is "seventy-two trillion, three hundred two billion, one hundred thirty-two million, one hundred twenty-three thousand, three hundred eleven".