123343988 has 12 divisors (see below), whose sum is σ = 217301700. Its totient is φ = 61257792.

The previous prime is 123343973. The next prime is 123343999. The reversal of 123343988 is 889343321.

It can be written as a sum of positive squares in 2 ways, for example, as 8168164 + 115175824 = 2858^2 + 10732^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 102881 + ... + 104072.

It is an arithmetic number, because the mean of its divisors is an integer number (18108475).

Almost surely, 2^123343988 is an apocalyptic number.

It is an amenable number.

123343988 is a deficient number, since it is larger than the sum of its proper divisors (93957712).

123343988 is a wasteful number, since it uses less digits than its factorization.

123343988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207106 (or 207104 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 123343988 is about 11106.0338555220. The cubic root of 123343988 is about 497.7821609252.

The spelling of 123343988 in words is "one hundred twenty-three million, three hundred forty-three thousand, nine hundred eighty-eight".