123354532 has 48 divisors (see below), whose sum is σ = 254161152. Its totient is φ = 51292800.

The previous prime is 123354503. The next prime is 123354541. The reversal of 123354532 is 235453321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 123354532.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149473 + ... + 150295.

It is an arithmetic number, because the mean of its divisors is an integer number (5295024).

Almost surely, 2^123354532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123354532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127080576).

123354532 is an abundant number, since it is smaller than the sum of its proper divisors (130806620).

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

123354532 is a wasteful number, since it uses less digits than its factorization.

123354532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 123354532 is about 11106.5085422918. The cubic root of 123354532 is about 497.7963447419.

The spelling of 123354532 in words is "one hundred twenty-three million, three hundred fifty-four thousand, five hundred thirty-two".