123340152 has 32 divisors (see below), whose sum is σ = 332070480. Its totient is φ = 37950720.

The previous prime is 123340111. The next prime is 123340157. The reversal of 123340152 is 251043321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123340157) 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 7 ways as a sum of consecutive naturals, for example, 197349 + ... + 197972.

Almost surely, 2^123340152 is an apocalyptic number.

123340152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123340152 is an abundant number, since it is smaller than the sum of its proper divisors (208730328).

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

123340152 is a wasteful number, since it uses less digits than its factorization.

123340152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395343 (or 395339 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 123340152 is about 11105.8611552639. The cubic root of 123340152 is about 497.7770005273. Note that the first 3 decimals are identical.

Adding to 123340152 its reverse (251043321), we get a palindrome (374383473).

The spelling of 123340152 in words is "one hundred twenty-three million, three hundred forty thousand, one hundred fifty-two".