28603373623 has 16 divisors (see below), whose sum is σ = 32917962240. Its totient is φ = 24580497600.

The previous prime is 28603373593. The next prime is 28603373627. The reversal of 28603373623 is 32637330682.

It is a de Polignac number, because none of the positive numbers 2^k-28603373623 is a prime.

It is a super-2 number, since 2×28603373623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28603373623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28603373627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54223 + ... + 245248.

It is an arithmetic number, because the mean of its divisors is an integer number (2057372640).

Almost surely, 2^28603373623 is an apocalyptic number.

28603373623 is a deficient number, since it is larger than the sum of its proper divisors (4314588617).

28603373623 is a wasteful number, since it uses less digits than its factorization.

28603373623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299958.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 28603373623 in words is "twenty-eight billion, six hundred three million, three hundred seventy-three thousand, six hundred twenty-three".