23053198771940 has 24 divisors (see below), whose sum is σ = 48590358456192. Its totient is φ = 9187252644960.

The previous prime is 23053198771919. The next prime is 23053198771943. The reversal of 23053198771940 is 4917789135032.

It is a self number, because there is not a number n which added to its sum of digits gives 23053198771940.

It is not an unprimeable number, because it can be changed into a prime (23053198771943) 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, 2126673434 + ... + 2126684273.

It is an arithmetic number, because the mean of its divisors is an integer number (2024598269008).

Almost surely, 2^{23053198771940} is an apocalyptic number.

23053198771940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23053198771940 is an abundant number, since it is smaller than the sum of its proper divisors (25537159684252).

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

23053198771940 is a wasteful number, since it uses less digits than its factorization.

23053198771940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253357987 (or 4253357985 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 23053198771940 in words is "twenty-three trillion, fifty-three billion, one hundred ninety-eight million, seven hundred seventy-one thousand, nine hundred forty".