9407230021 has 4 divisors (see below), whose sum is σ = 10751120032. Its totient is φ = 8063340012.

The previous prime is 9407229971. The next prime is 9407230051. The reversal of 9407230021 is 1200327049.

9407230021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9407230021 - 2⁹ = 9407229509 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 (9407230051) 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, 671944995 + ... + 671945008.

It is an arithmetic number, because the mean of its divisors is an integer number (2687780008).

Almost surely, 2^9407230021 is an apocalyptic number.

It is an amenable number.

9407230021 is a deficient number, since it is larger than the sum of its proper divisors (1343890011).

9407230021 is a wasteful number, since it uses less digits than its factorization.

9407230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343890010.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 9407230021 is about 96990.8759677940. The cubic root of 9407230021 is about 2110.9952419538.

The spelling of 9407230021 in words is "nine billion, four hundred seven million, two hundred thirty thousand, twenty-one".