260401142651423 has 4 divisors (see below), whose sum is σ = 260716017069000. Its totient is φ = 260086268233848.

The previous prime is 260401142651347. The next prime is 260401142651477. The reversal of 260401142651423 is 324156241104062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260401142651423 - 2¹⁰ = 260401142650399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260401142651483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157437207548 + ... + 157437209201.

It is an arithmetic number, because the mean of its divisors is an integer number (65179004267250).

Almost surely, 2^{260401142651423} is an apocalyptic number.

260401142651423 is a deficient number, since it is larger than the sum of its proper divisors (314874417577).

260401142651423 is an equidigital number, since it uses as much as digits as its factorization.

260401142651423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314874417576.

The product of its (nonzero) digits is 276480, while the sum is 41.

Adding to 260401142651423 its reverse (324156241104062), we get a palindrome (584557383755485).

The spelling of 260401142651423 in words is "two hundred sixty trillion, four hundred one billion, one hundred forty-two million, six hundred fifty-one thousand, four hundred twenty-three".