123041130445 has 4 divisors (see below), whose sum is σ = 147649356540. Its totient is φ = 98432904352.

The previous prime is 123041130437. The next prime is 123041130467. The reversal of 123041130445 is 544031140321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94557480004 + 28483650441 = 307502^2 + 168771^2 .

It is a cyclic number.

It is not a de Polignac number, because 123041130445 - 2³ = 123041130437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12304113040 + ... + 12304113049.

It is an arithmetic number, because the mean of its divisors is an integer number (36912339135).

Almost surely, 2^123041130445 is an apocalyptic number.

It is an amenable number.

123041130445 is a deficient number, since it is larger than the sum of its proper divisors (24608226095).

123041130445 is an equidigital number, since it uses as much as digits as its factorization.

123041130445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24608226094.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 123041130445 its reverse (544031140321), we get a palindrome (667072270766).

The spelling of 123041130445 in words is "one hundred twenty-three billion, forty-one million, one hundred thirty thousand, four hundred forty-five".