28901743123 has 8 divisors (see below), whose sum is σ = 32262411456. Its totient is φ = 25663281000.

The previous prime is 28901743103. The next prime is 28901743133. The reversal of 28901743123 is 32134710982.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28901743123 is a prime.

It is a super-3 number, since 3×28901743123³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28901743103) 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, 30551053 + ... + 30551998.

It is an arithmetic number, because the mean of its divisors is an integer number (4032801432).

Almost surely, 2^28901743123 is an apocalyptic number.

28901743123 is a deficient number, since it is larger than the sum of its proper divisors (3360668333).

28901743123 is a wasteful number, since it uses less digits than its factorization.

28901743123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61103105.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 28901743123 in words is "twenty-eight billion, nine hundred one million, seven hundred forty-three thousand, one hundred twenty-three".