2303032300021 has 4 divisors (see below), whose sum is σ = 2303047841472. Its totient is φ = 2303016758572.

The previous prime is 2303032299989. The next prime is 2303032300081. The reversal of 2303032300021 is 1200032303032.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2303032300021 - 2⁵ = 2303032299989 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 (2303032300081) 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, 7546285 + ... + 7845538.

It is an arithmetic number, because the mean of its divisors is an integer number (575761960368).

Almost surely, 2^{2303032300021} is an apocalyptic number.

It is an amenable number.

2303032300021 is a deficient number, since it is larger than the sum of its proper divisors (15541451).

2303032300021 is a wasteful number, since it uses less digits than its factorization.

2303032300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15541450.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 2303032300021 its reverse (1200032303032), we get a palindrome (3503064603053).

The spelling of 2303032300021 in words is "two trillion, three hundred three billion, thirty-two million, three hundred thousand, twenty-one".