123743340 has 288 divisors, whose sum is σ = 467026560. Its totient is φ = 25878528.

The previous prime is 123743317. The next prime is 123743353. The reversal of 123743340 is 43347321.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1135206 + ... + 1135314.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^123743340 is an apocalyptic number.

123743340 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 123743340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233513280).

123743340 is an abundant number, since it is smaller than the sum of its proper divisors (343283220).

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

123743340 is a wasteful number, since it uses less digits than its factorization.

123743340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

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

The square root of 123743340 is about 11123.9983818769. The cubic root of 123743340 is about 498.3188068482.

The spelling of 123743340 in words is "one hundred twenty-three million, seven hundred forty-three thousand, three hundred forty".