23012020033 has 2 divisors, whose sum is σ = 23012020034. Its totient is φ = 23012020032.

The previous prime is 23012020001. The next prime is 23012020043. The reversal of 23012020033 is 33002021032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18733944384 + 4278075649 = 136872^2 + 65407^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012020033 - 2⁵ = 23012020001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23012019989 and 23012020016.

It is not a weakly prime, because it can be changed into another prime (23012020043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506010016 + 11506010017.

It is an arithmetic number, because the mean of its divisors is an integer number (11506010017).

Almost surely, 2^23012020033 is an apocalyptic number.

It is an amenable number.

23012020033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012020033 is an equidigital number, since it uses as much as digits as its factorization.

23012020033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23012020033 its reverse (33002021032), we get a palindrome (56014041065).

Subtracting 23012020033 from its reverse (33002021032), we obtain a palindrome (9990000999).

The spelling of 23012020033 in words is "twenty-three billion, twelve million, twenty thousand, thirty-three".