123110465 has 4 divisors (see below), whose sum is σ = 147732564. Its totient is φ = 98488368.

The previous prime is 123110461. The next prime is 123110473. The reversal of 123110465 is 564011321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564011321 = 463 ⋅1218167.

It can be written as a sum of positive squares in 2 ways, for example, as 71385601 + 51724864 = 8449^2 + 7192^2 .

It is a cyclic number.

It is not a de Polignac number, because 123110465 - 2² = 123110461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123110465.

It is not an unprimeable number, because it can be changed into a prime (123110461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12311042 + ... + 12311051.

It is an arithmetic number, because the mean of its divisors is an integer number (36933141).

Almost surely, 2^123110465 is an apocalyptic number.

It is an amenable number.

123110465 is a deficient number, since it is larger than the sum of its proper divisors (24622099).

123110465 is an equidigital number, since it uses as much as digits as its factorization.

123110465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24622098.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 123110465 is about 11095.5155355666. The cubic root of 123110465 is about 497.4678177544.

Adding to 123110465 its reverse (564011321), we get a palindrome (687121786).

The spelling of 123110465 in words is "one hundred twenty-three million, one hundred ten thousand, four hundred sixty-five".