23254179840 has 560 divisors, whose sum is σ = 85827522528. Its totient is φ = 6019743744.

The previous prime is 23254179821. The next prime is 23254179863. The reversal of 23254179840 is 4897145232.

23254179840 is a `hidden beast` number, since 2 + 32 + 541 + 79 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142663599 + ... + 142663761.

Almost surely, 2^23254179840 is an apocalyptic number.

23254179840 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 23254179840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42913761264).

23254179840 is an abundant number, since it is smaller than the sum of its proper divisors (62573342688).

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

23254179840 is an equidigital number, since it uses as much as digits as its factorization.

23254179840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 23254179840 in words is "twenty-three billion, two hundred fifty-four million, one hundred seventy-nine thousand, eight hundred forty".