23828734913 has 4 divisors (see below), whose sum is σ = 25230425220. Its totient is φ = 22427044608.

The previous prime is 23828734901. The next prime is 23828734921. The reversal of 23828734913 is 31943782832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16964281009 + 6864453904 = 130247^2 + 82852^2 .

It is a cyclic number.

It is not a de Polignac number, because 23828734913 - 2⁶ = 23828734849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23828734513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700845128 + ... + 700845161.

It is an arithmetic number, because the mean of its divisors is an integer number (6307606305).

Almost surely, 2^23828734913 is an apocalyptic number.

It is an amenable number.

23828734913 is a deficient number, since it is larger than the sum of its proper divisors (1401690307).

23828734913 is a wasteful number, since it uses less digits than its factorization.

23828734913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401690306.

The product of its digits is 1741824, while the sum is 50.

The spelling of 23828734913 in words is "twenty-three billion, eight hundred twenty-eight million, seven hundred thirty-four thousand, nine hundred thirteen".