23001202021 has 8 divisors (see below), whose sum is σ = 26397077760. Its totient is φ = 19632823728.

The previous prime is 23001202009. The next prime is 23001202031. The reversal of 23001202021 is 12020210032.

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

It is not a de Polignac number, because 23001202021 - 2¹³ = 23001193829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001201992 and 23001202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001202031) 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, 6872566 + ... + 6875911.

It is an arithmetic number, because the mean of its divisors is an integer number (3299634720).

Almost surely, 2^23001202021 is an apocalyptic number.

It is an amenable number.

23001202021 is a deficient number, since it is larger than the sum of its proper divisors (3395875739).

23001202021 is a wasteful number, since it uses less digits than its factorization.

23001202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13748723.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 23001202021 its reverse (12020210032), we get a palindrome (35021412053).

The spelling of 23001202021 in words is "twenty-three billion, one million, two hundred two thousand, twenty-one".