23989787047 has 8 divisors (see below), whose sum is σ = 24693129216. Its totient is φ = 23294483352.

The previous prime is 23989787039. The next prime is 23989787071. The reversal of 23989787047 is 74078798932.

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

It is a cyclic number.

It is not a de Polignac number, because 23989787047 - 2³ = 23989787039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23989787047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23989787027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003563 + ... + 2015500.

It is an arithmetic number, because the mean of its divisors is an integer number (3086641152).

Almost surely, 2^23989787047 is an apocalyptic number.

23989787047 is a deficient number, since it is larger than the sum of its proper divisors (703342169).

23989787047 is a wasteful number, since it uses less digits than its factorization.

23989787047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019237.

The product of its (nonzero) digits is 42674688, while the sum is 64.

The spelling of 23989787047 in words is "twenty-three billion, nine hundred eighty-nine million, seven hundred eighty-seven thousand, forty-seven".