123000541 has 4 divisors (see below), whose sum is σ = 123680284. Its totient is φ = 122320800.

The previous prime is 123000539. The next prime is 123000557. The reversal of 123000541 is 145000321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145000321 = 193 ⋅751297.

It can be written as a sum of positive squares in 2 ways, for example, as 18020025 + 104980516 = 4245^2 + 10246^2 .

It is a cyclic number.

It is not a de Polignac number, because 123000541 - 2¹ = 123000539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339600 + ... + 339961.

It is an arithmetic number, because the mean of its divisors is an integer number (30920071).

Almost surely, 2^123000541 is an apocalyptic number.

It is an amenable number.

123000541 is a deficient number, since it is larger than the sum of its proper divisors (679743).

123000541 is an equidigital number, since it uses as much as digits as its factorization.

123000541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679742.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 123000541 is about 11090.5608965462. The cubic root of 123000541 is about 497.3197124574.

Adding to 123000541 its reverse (145000321), we get a palindrome (268000862).

The spelling of 123000541 in words is "one hundred twenty-three million, five hundred forty-one", and thus it is an aban number.