23402034134561 has 2 divisors, whose sum is σ = 23402034134562. Its totient is φ = 23402034134560.

The previous prime is 23402034134537. The next prime is 23402034134569. The reversal of 23402034134561 is 16543143020432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21336260336161 + 2065773798400 = 4619119^2 + 1437280^2 .

It is a cyclic number.

It is not a de Polignac number, because 23402034134561 - 2¹⁰ = 23402034133537 is a prime.

It is not a weakly prime, because it can be changed into another prime (23402034134569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701017067280 + 11701017067281.

It is an arithmetic number, because the mean of its divisors is an integer number (11701017067281).

Almost surely, 2^{23402034134561} is an apocalyptic number.

It is an amenable number.

23402034134561 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402034134561 is an equidigital number, since it uses as much as digits as its factorization.

23402034134561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 23402034134561 its reverse (16543143020432), we get a palindrome (39945177154993).

The spelling of 23402034134561 in words is "twenty-three trillion, four hundred two billion, thirty-four million, one hundred thirty-four thousand, five hundred sixty-one".