1923522544345 has 16 divisors (see below), whose sum is σ = 2315105696448. Its totient is φ = 1534233144640.

The previous prime is 1923522544343. The next prime is 1923522544351. The reversal of 1923522544345 is 5434452253291.

It is not a de Polignac number, because 1923522544345 - 2¹ = 1923522544343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1923522544343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19749507 + ... + 19846663.

It is an arithmetic number, because the mean of its divisors is an integer number (144694106028).

Almost surely, 2^{1923522544345} is an apocalyptic number.

It is an amenable number.

1923522544345 is a deficient number, since it is larger than the sum of its proper divisors (391583152103).

1923522544345 is a wasteful number, since it uses less digits than its factorization.

1923522544345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108920.

The product of its digits is 5184000, while the sum is 49.

The spelling of 1923522544345 in words is "one trillion, nine hundred twenty-three billion, five hundred twenty-two million, five hundred forty-four thousand, three hundred forty-five".