201042023423 has 2 divisors, whose sum is σ = 201042023424. Its totient is φ = 201042023422.

The previous prime is 201042023401. The next prime is 201042023459. The reversal of 201042023423 is 324320240102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201042023423 - 2¹⁸ = 201041761279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201042025423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521011711 + 100521011712.

It is an arithmetic number, because the mean of its divisors is an integer number (100521011712).

Almost surely, 2^201042023423 is an apocalyptic number.

201042023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042023423 is an equidigital number, since it uses as much as digits as its factorization.

201042023423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 201042023423 its reverse (324320240102), we get a palindrome (525362263525).

The spelling of 201042023423 in words is "two hundred one billion, forty-two million, twenty-three thousand, four hundred twenty-three".