2153442515323 has 16 divisors (see below), whose sum is σ = 2372845298400. Its totient is φ = 1937985088000.

The previous prime is 2153442515299. The next prime is 2153442515333. The reversal of 2153442515323 is 3235152443512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153442515323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153442515333) 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, 7014561 + ... + 7315117.

It is an arithmetic number, because the mean of its divisors is an integer number (148302831150).

Almost surely, 2^{2153442515323} is an apocalyptic number.

2153442515323 is a deficient number, since it is larger than the sum of its proper divisors (219402783077).

2153442515323 is a wasteful number, since it uses less digits than its factorization.

2153442515323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307118.

The product of its digits is 432000, while the sum is 40.

Adding to 2153442515323 its reverse (3235152443512), we get a palindrome (5388594958835).

The spelling of 2153442515323 in words is "two trillion, one hundred fifty-three billion, four hundred forty-two million, five hundred fifteen thousand, three hundred twenty-three".