23020120001 has 4 divisors (see below), whose sum is σ = 23188150212. Its totient is φ = 22852089792.

The previous prime is 23020119953. The next prime is 23020120043. The reversal of 23020120001 is 10002102032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10490675776 + 12529444225 = 102424^2 + 111935^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020120001 - 2¹⁰ = 23020118977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020120051) 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 in 3 ways as a sum of consecutive naturals, for example, 84014900 + ... + 84015173.

It is an arithmetic number, because the mean of its divisors is an integer number (5797037553).

Almost surely, 2^23020120001 is an apocalyptic number.

It is an amenable number.

23020120001 is a deficient number, since it is larger than the sum of its proper divisors (168030211).

23020120001 is a wasteful number, since it uses less digits than its factorization.

23020120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168030210.

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

Adding to 23020120001 its reverse (10002102032), we get a palindrome (33022222033).

The spelling of 23020120001 in words is "twenty-three billion, twenty million, one hundred twenty thousand, one".