123153672 has 32 divisors (see below), whose sum is σ = 309782880. Its totient is φ = 40798080.

The previous prime is 123153671. The next prime is 123153673. The reversal of 123153672 is 276351321.

It is an interprime number because it is at equal distance from previous prime (123153671) and next prime (123153673).

It is not an unprimeable number, because it can be changed into a prime (123153671) 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, 11829 + ... + 19652.

It is an arithmetic number, because the mean of its divisors is an integer number (9680715).

Almost surely, 2^123153672 is an apocalyptic number.

123153672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123153672 is an abundant number, since it is smaller than the sum of its proper divisors (186629208).

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

123153672 is a wasteful number, since it uses less digits than its factorization.

123153672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31653 (or 31649 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 123153672 is about 11097.4624126419. The cubic root of 123153672 is about 497.5260082529.

The spelling of 123153672 in words is "one hundred twenty-three million, one hundred fifty-three thousand, six hundred seventy-two".