7223023021 has 8 divisors (see below), whose sum is σ = 7348017600. Its totient is φ = 7098114240.

The previous prime is 7223023001. The next prime is 7223023037. The reversal of 7223023021 is 1203203227.

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-7223023021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7223022983 and 7223023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223023001) 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, 161781 + ... + 201541.

It is an arithmetic number, because the mean of its divisors is an integer number (918502200).

Almost surely, 2^7223023021 is an apocalyptic number.

It is an amenable number.

7223023021 is a deficient number, since it is larger than the sum of its proper divisors (124994579).

7223023021 is a wasteful number, since it uses less digits than its factorization.

7223023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42899.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 7223023021 is about 84988.3699161244. The cubic root of 7223023021 is about 1933.0347721251.

Adding to 7223023021 its reverse (1203203227), we get a palindrome (8426226248).

The spelling of 7223023021 in words is "seven billion, two hundred twenty-three million, twenty-three thousand, twenty-one".