123110331211145 has 8 divisors (see below), whose sum is σ = 147767413453440. Its totient is φ = 98464920968880.

The previous prime is 123110331211123. The next prime is 123110331211159. The reversal of 123110331211145 is 541112133011321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123110331211145 - 2¹⁶ = 123110331145609 is a prime.

It is a super-2 number, since 2×123110331211145² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917976801 + ... + 2918018990.

It is an arithmetic number, because the mean of its divisors is an integer number (18470926681680).

Almost surely, 2^{123110331211145} is an apocalyptic number.

It is an amenable number.

123110331211145 is a deficient number, since it is larger than the sum of its proper divisors (24657082242295).

123110331211145 is an equidigital number, since it uses as much as digits as its factorization.

123110331211145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836000015.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 123110331211145 its reverse (541112133011321), we get a palindrome (664222464222466).

The spelling of 123110331211145 in words is "one hundred twenty-three trillion, one hundred ten billion, three hundred thirty-one million, two hundred eleven thousand, one hundred forty-five".