72023 has 4 divisors (see below), whose sum is σ = 82320. Its totient is φ = 61728.

The previous prime is 72019. The next prime is 72031. The reversal of 72023 is 32027.

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 72023 - 2² = 72019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71989 and 72007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72043) 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, 5138 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2⁷²⁰²³ is an apocalyptic number.

72023 is a deficient number, since it is larger than the sum of its proper divisors (10297).

72023 is a wasteful number, since it uses less digits than its factorization.

72023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10296.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 72023 is about 268.3710118474. The cubic root of 72023 is about 41.6061057976.

It can be divided in two parts, 7 and 2023, that multiplied together give a square (14161 = 119²).

The spelling of 72023 in words is "seventy-two thousand, twenty-three", and thus it is an iban number.