123345741 has 4 divisors (see below), whose sum is σ = 164460992. Its totient is φ = 82230492.

The previous prime is 123345737. The next prime is 123345763. The reversal of 123345741 is 147543321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123345741 - 2² = 123345737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123345699 and 123345708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20557621 + ... + 20557626.

It is an arithmetic number, because the mean of its divisors is an integer number (41115248).

Almost surely, 2^123345741 is an apocalyptic number.

It is an amenable number.

123345741 is a deficient number, since it is larger than the sum of its proper divisors (41115251).

123345741 is an equidigital number, since it uses as much as digits as its factorization.

123345741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41115250.

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

The square root of 123345741 is about 11106.1127763048. The cubic root of 123345741 is about 497.7845191214.

The spelling of 123345741 in words is "one hundred twenty-three million, three hundred forty-five thousand, seven hundred forty-one".