1302312323 has 4 divisors (see below), whose sum is σ = 1402490208. Its totient is φ = 1202134440.

The previous prime is 1302312313. The next prime is 1302312329. The reversal of 1302312323 is 3232132031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3232132031 = 61 ⋅52985771.

It is not a de Polignac number, because 1302312323 - 2²⁴ = 1285535107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302312295 and 1302312304.

It is not an unprimeable number, because it can be changed into a prime (1302312329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50088923 + ... + 50088948.

It is an arithmetic number, because the mean of its divisors is an integer number (350622552).

Almost surely, 2^1302312323 is an apocalyptic number.

1302312323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1302312323 is a deficient number, since it is larger than the sum of its proper divisors (100177885).

1302312323 is a wasteful number, since it uses less digits than its factorization.

1302312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100177884.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1302312323 is about 36087.5646587575. The cubic root of 1302312323 is about 1092.0395902560.

Adding to 1302312323 its reverse (3232132031), we get a palindrome (4534444354).

The spelling of 1302312323 in words is "one billion, three hundred two million, three hundred twelve thousand, three hundred twenty-three".