23120040401 has 2 divisors, whose sum is σ = 23120040402. Its totient is φ = 23120040400.

The previous prime is 23120040397. The next prime is 23120040407. The reversal of 23120040401 is 10404002132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19398918400 + 3721122001 = 139280^2 + 61001^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120040401 - 2² = 23120040397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120040401.

It is not a weakly prime, because it can be changed into another prime (23120040407) 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, 11560020200 + 11560020201.

It is an arithmetic number, because the mean of its divisors is an integer number (11560020201).

Almost surely, 2^23120040401 is an apocalyptic number.

It is an amenable number.

23120040401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120040401 is an equidigital number, since it uses as much as digits as its factorization.

23120040401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23120040401 its reverse (10404002132), we get a palindrome (33524042533).

The spelling of 23120040401 in words is "twenty-three billion, one hundred twenty million, forty thousand, four hundred one".