123011033141 has 4 divisors (see below), whose sum is σ = 126011302284. Its totient is φ = 120010764000.

The previous prime is 123011033113. The next prime is 123011033153. The reversal of 123011033141 is 141330110321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141330110321 = 19 ⋅7438426859.

It can be written as a sum of positive squares in 2 ways, for example, as 31880102500 + 91130930641 = 178550^2 + 301879^2 .

It is a cyclic number.

It is not a de Polignac number, because 123011033141 - 2³⁴ = 105831163957 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 (123011033441) 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, 1500134510 + ... + 1500134591.

It is an arithmetic number, because the mean of its divisors is an integer number (31502825571).

Almost surely, 2^123011033141 is an apocalyptic number.

It is an amenable number.

123011033141 is a deficient number, since it is larger than the sum of its proper divisors (3000269143).

123011033141 is an equidigital number, since it uses as much as digits as its factorization.

123011033141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000269142.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123011033141 its reverse (141330110321), we get a palindrome (264341143462).

The spelling of 123011033141 in words is "one hundred twenty-three billion, eleven million, thirty-three thousand, one hundred forty-one".