123133543541 has 8 divisors (see below), whose sum is σ = 125259075168. Its totient is φ = 121011462000.

The previous prime is 123133543537. The next prime is 123133543549. The reversal of 123133543541 is 145345331321.

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 123133543541 - 2² = 123133543537 is a prime.

It is a super-3 number, since 3×123133543541³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133543549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790475 + ... + 933336.

It is an arithmetic number, because the mean of its divisors is an integer number (15657384396).

Almost surely, 2^123133543541 is an apocalyptic number.

It is an amenable number.

123133543541 is a deficient number, since it is larger than the sum of its proper divisors (2125531627).

123133543541 is a wasteful number, since it uses less digits than its factorization.

123133543541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725043.

The product of its digits is 64800, while the sum is 35.

Adding to 123133543541 its reverse (145345331321), we get a palindrome (268478874862).

The spelling of 123133543541 in words is "one hundred twenty-three billion, one hundred thirty-three million, five hundred forty-three thousand, five hundred forty-one".