123604541 has 2 divisors, whose sum is σ = 123604542. Its totient is φ = 123604540.

The previous prime is 123604529. The next prime is 123604543. The reversal of 123604541 is 145406321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121771225 + 1833316 = 11035^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 123604541 - 2²² = 119410237 is a prime.

Together with 123604543, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_7035164 and since 123604541 and 7035164 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123604541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123604543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61802270 + 61802271.

It is an arithmetic number, because the mean of its divisors is an integer number (61802271).

Almost surely, 2^123604541 is an apocalyptic number.

It is an amenable number.

123604541 is a deficient number, since it is larger than the sum of its proper divisors (1).

123604541 is an equidigital number, since it uses as much as digits as its factorization.

123604541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 123604541 is about 11117.7579124570. The cubic root of 123604541 is about 498.1324209823.

The spelling of 123604541 in words is "one hundred twenty-three million, six hundred four thousand, five hundred forty-one".