113555540123 has 4 divisors (see below), whose sum is σ = 113781297168. Its totient is φ = 113329783080.

The previous prime is 113555540117. The next prime is 113555540129. The reversal of 113555540123 is 321045555311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321045555311 = 13 ⋅24695811947.

It is an interprime number because it is at equal distance from previous prime (113555540117) and next prime (113555540129).

It is a cyclic number.

It is not a de Polignac number, because 113555540123 - 2¹⁶ = 113555474587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113555540129) 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, 112877768 + ... + 112878773.

It is an arithmetic number, because the mean of its divisors is an integer number (28445324292).

Almost surely, 2^113555540123 is an apocalyptic number.

113555540123 is a deficient number, since it is larger than the sum of its proper divisors (225757045).

113555540123 is an equidigital number, since it uses as much as digits as its factorization.

113555540123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225757044.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 113555540123 in words is "one hundred thirteen billion, five hundred fifty-five million, five hundred forty thousand, one hundred twenty-three".