23503738887 has 6 divisors (see below), whose sum is σ = 33949845072. Its totient is φ = 15669159252.

The previous prime is 23503738879. The next prime is 23503738889. The reversal of 23503738887 is 78883730532.

23503738887 is a `hidden beast` number, since 23 + 503 + 7 + 38 + 8 + 87 = 666.

It is not a de Polignac number, because 23503738887 - 2³ = 23503738879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23503738889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1305763263 + ... + 1305763280.

It is an arithmetic number, because the mean of its divisors is an integer number (5658307512).

Almost surely, 2^23503738887 is an apocalyptic number.

23503738887 is a deficient number, since it is larger than the sum of its proper divisors (10446106185).

23503738887 is a wasteful number, since it uses less digits than its factorization.

23503738887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611526549 (or 2611526546 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 23503738887 in words is "twenty-three billion, five hundred three million, seven hundred thirty-eight thousand, eight hundred eighty-seven".