261112701323 has 2 divisors, whose sum is σ = 261112701324. Its totient is φ = 261112701322.

The previous prime is 261112701263. The next prime is 261112701331. The reversal of 261112701323 is 323107211162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-261112701323 is a prime.

It is not a weakly prime, because it can be changed into another prime (261112701823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130556350661 + 130556350662.

It is an arithmetic number, because the mean of its divisors is an integer number (130556350662).

Almost surely, 2^261112701323 is an apocalyptic number.

261112701323 is a deficient number, since it is larger than the sum of its proper divisors (1).

261112701323 is an equidigital number, since it uses as much as digits as its factorization.

261112701323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 261112701323 its reverse (323107211162), we get a palindrome (584219912485).

The spelling of 261112701323 in words is "two hundred sixty-one billion, one hundred twelve million, seven hundred one thousand, three hundred twenty-three".