400023011034401 has 2 divisors, whose sum is σ = 400023011034402. Its totient is φ = 400023011034400.

The previous prime is 400023011034389. The next prime is 400023011034463. The reversal of 400023011034401 is 104430110320004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311209255983376 + 88813755051025 = 17641124^2 + 9424105^2 .

It is a cyclic number.

It is not a de Polignac number, because 400023011034401 - 2¹⁸ = 400023010772257 is a prime.

It is not a weakly prime, because it can be changed into another prime (400023011034481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200011505517200 + 200011505517201.

It is an arithmetic number, because the mean of its divisors is an integer number (200011505517201).

Almost surely, 2^{400023011034401} is an apocalyptic number.

It is an amenable number.

400023011034401 is a deficient number, since it is larger than the sum of its proper divisors (1).

400023011034401 is an equidigital number, since it uses as much as digits as its factorization.

400023011034401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 400023011034401 its reverse (104430110320004), we get a palindrome (504453121354405).

The spelling of 400023011034401 in words is "four hundred trillion, twenty-three billion, eleven million, thirty-four thousand, four hundred one".