23428171140 has 192 divisors, whose sum is σ = 72349175808. Its totient is φ = 5617497600.

The previous prime is 23428171133. The next prime is 23428171157. The reversal of 23428171140 is 4117182432.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32225457 + ... + 32226183.

It is an arithmetic number, because the mean of its divisors is an integer number (376818624).

Almost surely, 2^23428171140 is an apocalyptic number.

23428171140 is a gapful number since it is divisible by the number (20) 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 23428171140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36174587904).

23428171140 is an abundant number, since it is smaller than the sum of its proper divisors (48921004668).

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

23428171140 is a wasteful number, since it uses less digits than its factorization.

23428171140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 23428171140 in words is "twenty-three billion, four hundred twenty-eight million, one hundred seventy-one thousand, one hundred forty".