123256152 has 24 divisors (see below), whose sum is σ = 333818940. Its totient is φ = 41085360.

The previous prime is 123256123. The next prime is 123256153. The reversal of 123256152 is 251652321.

It is a happy number.

123256152 is a `hidden beast` number, since 1 + 23 + 25 + 615 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123256153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 855874 + ... + 856017.

Almost surely, 2^123256152 is an apocalyptic number.

123256152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123256152 is an abundant number, since it is smaller than the sum of its proper divisors (210562788).

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

123256152 is a wasteful number, since it uses less digits than its factorization.

123256152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711903 (or 1711896 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 123256152 is about 11102.0787242750. The cubic root of 123256152 is about 497.6639722793.

The spelling of 123256152 in words is "one hundred twenty-three million, two hundred fifty-six thousand, one hundred fifty-two".