23012020001 has 2 divisors, whose sum is σ = 23012020002. Its totient is φ = 23012020000.

The previous prime is 23012019971. The next prime is 23012020033. The reversal of 23012020001 is 10002021032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17102100625 + 5909919376 = 130775^2 + 76876^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012020001 - 2⁶ = 23012019937 is a prime.

It is not a weakly prime, because it can be changed into another prime (23012020501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506010000 + 11506010001.

It is an arithmetic number, because the mean of its divisors is an integer number (11506010001).

Almost surely, 2^23012020001 is an apocalyptic number.

It is an amenable number.

23012020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012020001 is an equidigital number, since it uses as much as digits as its factorization.

23012020001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 23012020001 its reverse (10002021032), we get a palindrome (33014041033).

The spelling of 23012020001 in words is "twenty-three billion, twelve million, twenty thousand, one".