9023010421 has 4 divisors (see below), whose sum is σ = 9023286412. Its totient is φ = 9022734432.

The previous prime is 9023010419. The next prime is 9023010449. The reversal of 9023010421 is 1240103209.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2112413521 + 6910596900 = 45961^2 + 83130^2 .

It is a cyclic number.

It is not a de Polignac number, because 9023010421 - 2¹ = 9023010419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9023010392 and 9023010401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9023010401) 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, 81150 + ... + 156943.

It is an arithmetic number, because the mean of its divisors is an integer number (2255821603).

Almost surely, 2^9023010421 is an apocalyptic number.

It is an amenable number.

9023010421 is a deficient number, since it is larger than the sum of its proper divisors (275991).

9023010421 is a wasteful number, since it uses less digits than its factorization.

9023010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275990.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 9023010421 is about 94989.5279544014. The cubic root of 9023010421 is about 2081.8550405019.

The spelling of 9023010421 in words is "nine billion, twenty-three million, ten thousand, four hundred twenty-one".