123247332 has 120 divisors (see below), whose sum is σ = 359297400. Its totient is φ = 36578304.

The previous prime is 123247307. The next prime is 123247367. The reversal of 123247332 is 233742321.

123247332 is a `hidden beast` number, since 1 + 2 + 324 + 7 + 332 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1498176 + 121749156 = 1224^2 + 11034^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 123247296 and 123247305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 121644 + ... + 122652.

It is an arithmetic number, because the mean of its divisors is an integer number (2994145).

Almost surely, 2^123247332 is an apocalyptic number.

123247332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123247332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179648700).

123247332 is an abundant number, since it is smaller than the sum of its proper divisors (236050068).

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

123247332 is a wasteful number, since it uses less digits than its factorization.

123247332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1056 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 123247332 is about 11101.6814942602. The cubic root of 123247332 is about 497.6521013345.

Adding to 123247332 its reverse (233742321), we get a palindrome (356989653).

The spelling of 123247332 in words is "one hundred twenty-three million, two hundred forty-seven thousand, three hundred thirty-two".