123577543641 has 8 divisors (see below), whose sum is σ = 174462414624. Its totient is φ = 77538850880.

The previous prime is 123577543627. The next prime is 123577543643. The reversal of 123577543641 is 146345775321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123577543641 - 2¹⁸ = 123577281497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123577543643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211544495 + ... + 1211544596.

It is an arithmetic number, because the mean of its divisors is an integer number (21807801828).

Almost surely, 2^123577543641 is an apocalyptic number.

It is an amenable number.

123577543641 is a deficient number, since it is larger than the sum of its proper divisors (50884870983).

123577543641 is a wasteful number, since it uses less digits than its factorization.

123577543641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423089111.

The product of its digits is 2116800, while the sum is 48.

The spelling of 123577543641 in words is "one hundred twenty-three billion, five hundred seventy-seven million, five hundred forty-three thousand, six hundred forty-one".