23179657228 has 96 divisors (see below), whose sum is σ = 51276786176. Its totient is φ = 8923364352.

The previous prime is 23179657201. The next prime is 23179657229. The reversal of 23179657228 is 82275697132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (23179657229) 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, 4426900 + ... + 4432132.

Almost surely, 2^23179657228 is an apocalyptic number.

23179657228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23179657228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25638393088).

23179657228 is an abundant number, since it is smaller than the sum of its proper divisors (28097128948).

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

23179657228 is a wasteful number, since it uses less digits than its factorization.

23179657228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583 (or 5581 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The spelling of 23179657228 in words is "twenty-three billion, one hundred seventy-nine million, six hundred fifty-seven thousand, two hundred twenty-eight".