2193742323 has 24 divisors (see below), whose sum is σ = 3420537120. Its totient is φ = 1350666240.

The previous prime is 2193742319. The next prime is 2193742333. The reversal of 2193742323 is 3232473912.

2193742323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2193742323 - 2² = 2193742319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2193742303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176718 + ... + 188723.

It is an arithmetic number, because the mean of its divisors is an integer number (142522380).

Almost surely, 2^2193742323 is an apocalyptic number.

2193742323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2193742323 is a deficient number, since it is larger than the sum of its proper divisors (1226794797).

2193742323 is a wasteful number, since it uses less digits than its factorization.

2193742323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365499 (or 365496 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 2193742323 is about 46837.4030343272. The cubic root of 2193742323 is about 1299.3571423133.

The spelling of 2193742323 in words is "two billion, one hundred ninety-three million, seven hundred forty-two thousand, three hundred twenty-three".