72110323 has 2 divisors, whose sum is σ = 72110324. Its totient is φ = 72110322.

The previous prime is 72110321. The next prime is 72110387. The reversal of 72110323 is 32301127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72110323 - 2¹ = 72110321 is a prime.

Together with 72110321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72110323.

It is not a weakly prime, because it can be changed into another prime (72110321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36055161 + 36055162.

It is an arithmetic number, because the mean of its divisors is an integer number (36055162).

Almost surely, 2^72110323 is an apocalyptic number.

72110323 is a deficient number, since it is larger than the sum of its proper divisors (1).

72110323 is an equidigital number, since it uses as much as digits as its factorization.

72110323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 72110323 is about 8491.7797310105. The cubic root of 72110323 is about 416.2291386648.

The spelling of 72110323 in words is "seventy-two million, one hundred ten thousand, three hundred twenty-three".