23628787047 has 32 divisors (see below), whose sum is σ = 36189378560. Its totient is φ = 15221364480.

The previous prime is 23628787027. The next prime is 23628787093. The reversal of 23628787047 is 74078782632.

23628787047 is a `hidden beast` number, since 2 + 3 + 628 + 7 + 8 + 7 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 23628787047 - 2¹¹ = 23628784999 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23628786984 and 23628787002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23628787027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542328 + ... + 584274.

It is an arithmetic number, because the mean of its divisors is an integer number (1130918080).

Almost surely, 2^23628787047 is an apocalyptic number.

23628787047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23628787047 is a deficient number, since it is larger than the sum of its proper divisors (12560591513).

23628787047 is a wasteful number, since it uses less digits than its factorization.

23628787047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42660 (or 42654 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 23628787047 in words is "twenty-three billion, six hundred twenty-eight million, seven hundred eighty-seven thousand, forty-seven".