28103598423 has 12 divisors (see below), whose sum is σ = 40682919888. Its totient is φ = 18694732320.

The previous prime is 28103598407. The next prime is 28103598427. The reversal of 28103598423 is 32489530182.

28103598423 is a `hidden beast` number, since 2 + 8 + 10 + 3 + 598 + 42 + 3 = 666.

It is not a de Polignac number, because 28103598423 - 2⁴ = 28103598407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28103598427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3412323 + ... + 3420548.

It is an arithmetic number, because the mean of its divisors is an integer number (3390243324).

Almost surely, 2^28103598423 is an apocalyptic number.

28103598423 is a deficient number, since it is larger than the sum of its proper divisors (12579321465).

28103598423 is a wasteful number, since it uses less digits than its factorization.

28103598423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833334 (or 6833331 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 28103598423 in words is "twenty-eight billion, one hundred three million, five hundred ninety-eight thousand, four hundred twenty-three".