123543741 has 24 divisors (see below), whose sum is σ = 178102080. Its totient is φ = 76029184.

The previous prime is 123543737. The next prime is 123543769. The reversal of 123543741 is 147345321.

It is a happy number.

It is not a de Polignac number, because 123543741 - 2² = 123543737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123543699 and 123543708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123541741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56965 + ... + 59093.

It is an arithmetic number, because the mean of its divisors is an integer number (7420920).

Almost surely, 2^123543741 is an apocalyptic number.

It is an amenable number.

123543741 is a deficient number, since it is larger than the sum of its proper divisors (54558339).

123543741 is a wasteful number, since it uses less digits than its factorization.

123543741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213 (or 2184 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 123543741 is about 11115.0232118516. The cubic root of 123543741 is about 498.0507319166.

The spelling of 123543741 in words is "one hundred twenty-three million, five hundred forty-three thousand, seven hundred forty-one".