23671769828 has 24 divisors (see below), whose sum is σ = 47645099712. Its totient is φ = 10080424224.

The previous prime is 23671769813. The next prime is 23671769897. The reversal of 23671769828 is 82896717632.

It is a happy number.

It is a super-2 number, since 2×23671769828² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688026 + ... + 2696817.

It is an arithmetic number, because the mean of its divisors is an integer number (1985212488).

Almost surely, 2^23671769828 is an apocalyptic number.

23671769828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23671769828 is an abundant number, since it is smaller than the sum of its proper divisors (23973329884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23671769828 is a wasteful number, since it uses less digits than its factorization.

23671769828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385011 (or 5385009 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 59.

The spelling of 23671769828 in words is "twenty-three billion, six hundred seventy-one million, seven hundred sixty-nine thousand, eight hundred twenty-eight".