123110240232345 has 32 divisors (see below), whose sum is σ = 200695767358464. Its totient is φ = 64419035616000.

The previous prime is 123110240232307. The next prime is 123110240232347. The reversal of 123110240232345 is 543232042011321.

It is a happy number.

It is not a de Polignac number, because 123110240232345 - 2⁹ = 123110240231833 is a prime.

It is a super-2 number, since 2×123110240232345² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123110240232347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56894200 + ... + 59018390.

It is an arithmetic number, because the mean of its divisors is an integer number (6271742729952).

Almost surely, 2^{123110240232345} is an apocalyptic number.

123110240232345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123110240232345 is a deficient number, since it is larger than the sum of its proper divisors (77585527126119).

123110240232345 is a wasteful number, since it uses less digits than its factorization.

123110240232345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197153.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 123110240232345 its reverse (543232042011321), we get a palindrome (666342282243666).

The spelling of 123110240232345 in words is "one hundred twenty-three trillion, one hundred ten billion, two hundred forty million, two hundred thirty-two thousand, three hundred forty-five".