1923320235340 has 24 divisors (see below), whose sum is σ = 4615968565152. Its totient is φ = 659424080640.

The previous prime is 1923320235337. The next prime is 1923320235359. The reversal of 1923320235340 is 435320233291.

It is a self number, because there is not a number n which added to its sum of digits gives 1923320235340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6869000701 + ... + 6869000980.

It is an arithmetic number, because the mean of its divisors is an integer number (192332023548).

Almost surely, 2^{1923320235340} is an apocalyptic number.

1923320235340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1923320235340 is an abundant number, since it is smaller than the sum of its proper divisors (2692648329812).

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

1923320235340 is a wasteful number, since it uses less digits than its factorization.

1923320235340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738001697 (or 13738001695 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 1923320235340 in words is "one trillion, nine hundred twenty-three billion, three hundred twenty million, two hundred thirty-five thousand, three hundred forty".