30312132002123 has 8 divisors (see below), whose sum is σ = 31909962741408. Its totient is φ = 28737627259264.

The previous prime is 30312132002083. The next prime is 30312132002147. The reversal of 30312132002123 is 32120023121303.

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

It is a cyclic number.

It is not a de Polignac number, because 30312132002123 - 2¹⁶ = 30312131936587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312132004123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5831496440 + ... + 5831501637.

It is an arithmetic number, because the mean of its divisors is an integer number (3988745342676).

Almost surely, 2^{30312132002123} is an apocalyptic number.

30312132002123 is a deficient number, since it is larger than the sum of its proper divisors (1597830739285).

30312132002123 is a wasteful number, since it uses less digits than its factorization.

30312132002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662998213.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30312132002123 its reverse (32120023121303), we get a palindrome (62432155123426).

The spelling of 30312132002123 in words is "thirty trillion, three hundred twelve billion, one hundred thirty-two million, two thousand, one hundred twenty-three".