2102456323 has 8 divisors (see below), whose sum is σ = 2297163456. Its totient is φ = 1908345000.

The previous prime is 2102456303. The next prime is 2102456383. The reversal of 2102456323 is 3236542012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102456323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102456291 and 2102456300.

It is not an unprimeable number, because it can be changed into a prime (2102456303) 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, 141553 + ... + 155698.

It is an arithmetic number, because the mean of its divisors is an integer number (287145432).

Almost surely, 2^2102456323 is an apocalyptic number.

2102456323 is a deficient number, since it is larger than the sum of its proper divisors (194707133).

2102456323 is a wasteful number, since it uses less digits than its factorization.

2102456323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297905.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2102456323 is about 45852.5497982391. The cubic root of 2102456323 is about 1281.0782587080.

Adding to 2102456323 its reverse (3236542012), we get a palindrome (5338998335).

The spelling of 2102456323 in words is "two billion, one hundred two million, four hundred fifty-six thousand, three hundred twenty-three".