2354785642523 has 2 divisors, whose sum is σ = 2354785642524. Its totient is φ = 2354785642522.

The previous prime is 2354785642439. The next prime is 2354785642571. The reversal of 2354785642523 is 3252465874532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2354785642523 - 2²⁴ = 2354768865307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2354785672523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177392821261 + 1177392821262.

It is an arithmetic number, because the mean of its divisors is an integer number (1177392821262).

Almost surely, 2^{2354785642523} is an apocalyptic number.

2354785642523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2354785642523 is an equidigital number, since it uses as much as digits as its factorization.

2354785642523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384000, while the sum is 56.

The spelling of 2354785642523 in words is "two trillion, three hundred fifty-four billion, seven hundred eighty-five million, six hundred forty-two thousand, five hundred twenty-three".