123113562 has 32 divisors (see below), whose sum is σ = 289275840. Its totient is φ = 34437120.

The previous prime is 123113533. The next prime is 123113563. The reversal of 123113562 is 265311321.

It is not an unprimeable number, because it can be changed into a prime (123113563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70887 + ... + 72602.

It is an arithmetic number, because the mean of its divisors is an integer number (9039870).

Almost surely, 2^123113562 is an apocalyptic number.

123113562 is an abundant number, since it is smaller than the sum of its proper divisors (166162278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123113562 is a wasteful number, since it uses less digits than its factorization.

123113562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143518.

The product of its digits is 1080, while the sum is 24.

The square root of 123113562 is about 11095.6550955768. The cubic root of 123113562 is about 497.4719891976.

Adding to 123113562 its reverse (265311321), we get a palindrome (388424883).

The spelling of 123113562 in words is "one hundred twenty-three million, one hundred thirteen thousand, five hundred sixty-two".