123848340 has 144 divisors (see below), whose sum is σ = 435797376. Its totient is φ = 25724160.

The previous prime is 123848311. The next prime is 123848341. The reversal of 123848340 is 43848321.

It is a super-2 number, since 2×123848340² = 30676822641511200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123848341) 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 47 ways as a sum of consecutive naturals, for example, 49602 + ... + 52038.

Almost surely, 2^123848340 is an apocalyptic number.

123848340 is a gapful number since it is divisible by the number (10) 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 123848340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217898688).

123848340 is an abundant number, since it is smaller than the sum of its proper divisors (311949036).

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

123848340 is a wasteful number, since it uses less digits than its factorization.

123848340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 123848340 is about 11128.7169071731. The cubic root of 123848340 is about 498.4597132391.

The spelling of 123848340 in words is "one hundred twenty-three million, eight hundred forty-eight thousand, three hundred forty".