2188385035523 has 2 divisors, whose sum is σ = 2188385035524. Its totient is φ = 2188385035522.

The previous prime is 2188385035489. The next prime is 2188385035567. The reversal of 2188385035523 is 3255305838812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2188385035523 - 2¹⁶ = 2188384969987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2188385235523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094192517761 + 1094192517762.

It is an arithmetic number, because the mean of its divisors is an integer number (1094192517762).

Almost surely, 2^{2188385035523} is an apocalyptic number.

2188385035523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188385035523 is an equidigital number, since it uses as much as digits as its factorization.

2188385035523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 2188385035523 in words is "two trillion, one hundred eighty-eight billion, three hundred eighty-five million, thirty-five thousand, five hundred twenty-three".