123535141 has 4 divisors (see below), whose sum is σ = 130801932. Its totient is φ = 116268352.

The previous prime is 123535133. The next prime is 123535147. The reversal of 123535141 is 141535321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141535321 = 41 ⋅3452081.

It can be written as a sum of positive squares in 2 ways, for example, as 99082116 + 24453025 = 9954^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 123535141 - 2³ = 123535133 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 (123535147) 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, 3633370 + ... + 3633403.

It is an arithmetic number, because the mean of its divisors is an integer number (32700483).

Almost surely, 2^123535141 is an apocalyptic number.

It is an amenable number.

123535141 is a deficient number, since it is larger than the sum of its proper divisors (7266791).

123535141 is an equidigital number, since it uses as much as digits as its factorization.

123535141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266790.

The product of its digits is 1800, while the sum is 25.

The square root of 123535141 is about 11114.6363413294. The cubic root of 123535141 is about 498.0391750498.

The spelling of 123535141 in words is "one hundred twenty-three million, five hundred thirty-five thousand, one hundred forty-one".