123041363545 has 4 divisors (see below), whose sum is σ = 147649636260. Its totient is φ = 98433090832.

The previous prime is 123041363479. The next prime is 123041363593. The reversal of 123041363545 is 545363140321.

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 96166351449 + 26875012096 = 310107^2 + 163936^2 .

It is a cyclic number.

It is not a de Polignac number, because 123041363545 - 2⁹ = 123041363033 is a prime.

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, 12304136350 + ... + 12304136359.

It is an arithmetic number, because the mean of its divisors is an integer number (36912409065).

Almost surely, 2^123041363545 is an apocalyptic number.

It is an amenable number.

123041363545 is a deficient number, since it is larger than the sum of its proper divisors (24608272715).

123041363545 is an equidigital number, since it uses as much as digits as its factorization.

123041363545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24608272714.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 123041363545 in words is "one hundred twenty-three billion, forty-one million, three hundred sixty-three thousand, five hundred forty-five".