23010223021 has 2 divisors, whose sum is σ = 23010223022. Its totient is φ = 23010223020.

The previous prime is 23010223009. The next prime is 23010223037. The reversal of 23010223021 is 12032201032.

It is an a-pointer prime, because the next prime (23010223037) can be obtained adding 23010223021 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21049947396 + 1960275625 = 145086^2 + 44275^2 .

It is a cyclic number.

It is not a de Polignac number, because 23010223021 - 2¹⁵ = 23010190253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23010222986 and 23010223004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23010223001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505111510 + 11505111511.

It is an arithmetic number, because the mean of its divisors is an integer number (11505111511).

Almost surely, 2^23010223021 is an apocalyptic number.

It is an amenable number.

23010223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23010223021 is an equidigital number, since it uses as much as digits as its factorization.

23010223021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23010223021 its reverse (12032201032), we get a palindrome (35042424053).

The spelling of 23010223021 in words is "twenty-three billion, ten million, two hundred twenty-three thousand, twenty-one".