18343260101 has 4 divisors (see below), whose sum is σ = 18439298304. Its totient is φ = 18247221900.

The previous prime is 18343260071. The next prime is 18343260107. The reversal of 18343260101 is 10106234381.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10106234381 = 3617 ⋅2794093.

It is a cyclic number.

It is not a de Polignac number, because 18343260101 - 2¹⁴ = 18343243717 is a prime.

It is a super-2 number, since 2×18343260101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18343260107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48018815 + ... + 48019196.

It is an arithmetic number, because the mean of its divisors is an integer number (4609824576).

Almost surely, 2^18343260101 is an apocalyptic number.

It is an amenable number.

18343260101 is a deficient number, since it is larger than the sum of its proper divisors (96038203).

18343260101 is an equidigital number, since it uses as much as digits as its factorization.

18343260101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96038202.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 18343260101 its reverse (10106234381), we get a palindrome (28449494482).

The spelling of 18343260101 in words is "eighteen billion, three hundred forty-three million, two hundred sixty thousand, one hundred one".