23230027021 has 2 divisors, whose sum is σ = 23230027022. Its totient is φ = 23230027020.

The previous prime is 23230027013. The next prime is 23230027027. The reversal of 23230027021 is 12072003232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17711617225 + 5518409796 = 133085^2 + 74286^2 .

It is a cyclic number.

It is not a de Polignac number, because 23230027021 - 2³ = 23230027013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23230026983 and 23230027001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23230027027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615013510 + 11615013511.

It is an arithmetic number, because the mean of its divisors is an integer number (11615013511).

Almost surely, 2^23230027021 is an apocalyptic number.

It is an amenable number.

23230027021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230027021 is an equidigital number, since it uses as much as digits as its factorization.

23230027021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The spelling of 23230027021 in words is "twenty-three billion, two hundred thirty million, twenty-seven thousand, twenty-one".