123690441 has 16 divisors (see below), whose sum is σ = 188636544. Its totient is φ = 70621824.

The previous prime is 123690439. The next prime is 123690443. The reversal of 123690441 is 144096321.

It is an interprime number because it is at equal distance from previous prime (123690439) and next prime (123690443).

It is not a de Polignac number, because 123690441 - 2¹ = 123690439 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123690399 and 123690408.

It is not an unprimeable number, because it can be changed into a prime (123690443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45661 + ... + 48293.

It is an arithmetic number, because the mean of its divisors is an integer number (11789784).

Almost surely, 2^123690441 is an apocalyptic number.

It is an amenable number.

123690441 is a deficient number, since it is larger than the sum of its proper divisors (64946103).

123690441 is a wasteful number, since it uses less digits than its factorization.

123690441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 123690441 is about 11121.6204304948. The cubic root of 123690441 is about 498.2477880126.

The spelling of 123690441 in words is "one hundred twenty-three million, six hundred ninety thousand, four hundred forty-one".