23278153248 has 240 divisors, whose sum is σ = 79840252800. Its totient is φ = 6650646912.

The previous prime is 23278153247. The next prime is 23278153273. The reversal of 23278153248 is 84235187232.

23278153248 is a `hidden beast` number, since 2 + 3 + 2 + 78 + 1 + 532 + 48 = 666.

It is not an unprimeable number, because it can be changed into a prime (23278153247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 875965 + ... + 902147.

It is an arithmetic number, because the mean of its divisors is an integer number (332667720).

Almost surely, 2^23278153248 is an apocalyptic number.

23278153248 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 23278153248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39920126400).

23278153248 is an abundant number, since it is smaller than the sum of its proper divisors (56562099552).

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

23278153248 is an equidigital number, since it uses as much as digits as its factorization.

23278153248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26226 (or 26195 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 23278153248 in words is "twenty-three billion, two hundred seventy-eight million, one hundred fifty-three thousand, two hundred forty-eight".