72342323 has 4 divisors (see below), whose sum is σ = 72360528. Its totient is φ = 72324120.

The previous prime is 72342317. The next prime is 72342373. The reversal of 72342323 is 32324327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72342323 - 2⁴ = 72342307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72342292 and 72342301.

It is not an unprimeable number, because it can be changed into a prime (72342373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (18090132).

Almost surely, 2^72342323 is an apocalyptic number.

72342323 is a deficient number, since it is larger than the sum of its proper divisors (18205).

72342323 is a wasteful number, since it uses less digits than its factorization.

72342323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18204.

The product of its digits is 6048, while the sum is 26.

The square root of 72342323 is about 8505.4290309190. The cubic root of 72342323 is about 416.6750377696.

The spelling of 72342323 in words is "seventy-two million, three hundred forty-two thousand, three hundred twenty-three".