23032303021 has 8 divisors (see below), whose sum is σ = 28347449984. Its totient is φ = 18223360560.

The previous prime is 23032303013. The next prime is 23032303051. The reversal of 23032303021 is 12030323032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23032303021 - 2³ = 23032303013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23032303021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032303051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126551025 + ... + 126551206.

It is an arithmetic number, because the mean of its divisors is an integer number (3543431248).

Almost surely, 2^23032303021 is an apocalyptic number.

It is an amenable number.

23032303021 is a deficient number, since it is larger than the sum of its proper divisors (5315146963).

23032303021 is a wasteful number, since it uses less digits than its factorization.

23032303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253102251.

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

Adding to 23032303021 its reverse (12030323032), we get a palindrome (35062626053).

The spelling of 23032303021 in words is "twenty-three billion, thirty-two million, three hundred three thousand, twenty-one".