23048198440 has 32 divisors (see below), whose sum is σ = 51875873280. Its totient is φ = 9216181312.

The previous prime is 23048198419. The next prime is 23048198441. The reversal of 23048198440 is 4489184032.

It is not an unprimeable number, because it can be changed into a prime (23048198441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25617 + ... + 216223.

It is an arithmetic number, because the mean of its divisors is an integer number (1621121040).

Almost surely, 2^23048198440 is an apocalyptic number.

23048198440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23048198440 is an abundant number, since it is smaller than the sum of its proper divisors (28827674840).

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

23048198440 is a wasteful number, since it uses less digits than its factorization.

23048198440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193641 (or 193637 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 23048198440 in words is "twenty-three billion, forty-eight million, one hundred ninety-eight thousand, four hundred forty".