123113402 has 16 divisors (see below), whose sum is σ = 188056512. Its totient is φ = 60437280.

The previous prime is 123113401. The next prime is 123113413. The reversal of 123113402 is 204311321.

It is not an unprimeable number, because it can be changed into a prime (123113401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25502 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (11753532).

Almost surely, 2^123113402 is an apocalyptic number.

123113402 is a deficient number, since it is larger than the sum of its proper divisors (64943110).

123113402 is a wasteful number, since it uses less digits than its factorization.

123113402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123113402 is about 11095.6478855450. The cubic root of 123113402 is about 497.4717736904.

Adding to 123113402 its reverse (204311321), we get a palindrome (327424723).

The spelling of 123113402 in words is "one hundred twenty-three million, one hundred thirteen thousand, four hundred two".