30321303023 has 4 divisors (see below), whose sum is σ = 33077785128. Its totient is φ = 27564820920.

The previous prime is 30321302971. The next prime is 30321303031. The reversal of 30321303023 is 32030312303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32030312303 = 11 ⋅2911846573.

It is a cyclic number.

It is not a de Polignac number, because 30321303023 - 2¹⁰ = 30321301999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30321302986 and 30321303004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321302023) 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, 1378241036 + ... + 1378241057.

It is an arithmetic number, because the mean of its divisors is an integer number (8269446282).

Almost surely, 2^30321303023 is an apocalyptic number.

30321303023 is a deficient number, since it is larger than the sum of its proper divisors (2756482105).

30321303023 is a wasteful number, since it uses less digits than its factorization.

30321303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756482104.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30321303023 its reverse (32030312303), we get a palindrome (62351615326).

The spelling of 30321303023 in words is "thirty billion, three hundred twenty-one million, three hundred three thousand, twenty-three".