23012020441 has 2 divisors, whose sum is σ = 23012020442. Its totient is φ = 23012020440.

The previous prime is 23012020433. The next prime is 23012020453. The reversal of 23012020441 is 14402021032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18488112841 + 4523907600 = 135971^2 + 67260^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012020441 - 2³ = 23012020433 is a prime.

It is not a weakly prime, because it can be changed into another prime (23012020741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506010220 + 11506010221.

It is an arithmetic number, because the mean of its divisors is an integer number (11506010221).

Almost surely, 2^23012020441 is an apocalyptic number.

It is an amenable number.

23012020441 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012020441 is an equidigital number, since it uses as much as digits as its factorization.

23012020441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23012020441 its reverse (14402021032), we get a palindrome (37414041473).

The spelling of 23012020441 in words is "twenty-three billion, twelve million, twenty thousand, four hundred forty-one".