2154635662323 has 8 divisors (see below), whose sum is σ = 2950492078288. Its totient is φ = 1397601510624.

The previous prime is 2154635662307. The next prime is 2154635662331. The reversal of 2154635662323 is 3232665364512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2154635662323 - 2⁴ = 2154635662307 is a prime.

It is a super-3 number, since 3×2154635662323³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154635662363) 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, 9705565936 + ... + 9705566157.

It is an arithmetic number, because the mean of its divisors is an integer number (368811509786).

Almost surely, 2^{2154635662323} is an apocalyptic number.

2154635662323 is a deficient number, since it is larger than the sum of its proper divisors (795856415965).

2154635662323 is a wasteful number, since it uses less digits than its factorization.

2154635662323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19411132133.

The product of its digits is 4665600, while the sum is 48.

The spelling of 2154635662323 in words is "two trillion, one hundred fifty-four billion, six hundred thirty-five million, six hundred sixty-two thousand, three hundred twenty-three".