19123133148 has 108 divisors (see below), whose sum is σ = 58305527280. Its totient is φ = 5176161792.

The previous prime is 19123133147. The next prime is 19123133221. The reversal of 19123133148 is 84133132191.

19123133148 is a `hidden beast` number, since 1 + 91 + 231 + 331 + 4 + 8 = 666.

It is a super-2 number, since 2×19123133148² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19123133143) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14133 + ... + 196076.

Almost surely, 2^19123133148 is an apocalyptic number.

19123133148 is a gapful number since it is divisible by the number (18) 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 19123133148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29152763640).

19123133148 is an abundant number, since it is smaller than the sum of its proper divisors (39182394132).

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

19123133148 is a wasteful number, since it uses less digits than its factorization.

19123133148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210264 (or 210240 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The spelling of 19123133148 in words is "nineteen billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred forty-eight".