30240142323 has 4 divisors (see below), whose sum is σ = 40320189768. Its totient is φ = 20160094880.

The previous prime is 30240142321. The next prime is 30240142337. The reversal of 30240142323 is 32324104203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30240142323 - 2¹ = 30240142321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30240142293 and 30240142302.

It is not an unprimeable number, because it can be changed into a prime (30240142321) 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, 5040023718 + ... + 5040023723.

It is an arithmetic number, because the mean of its divisors is an integer number (10080047442).

Almost surely, 2^30240142323 is an apocalyptic number.

30240142323 is a deficient number, since it is larger than the sum of its proper divisors (10080047445).

30240142323 is a wasteful number, since it uses less digits than its factorization.

30240142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080047444.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30240142323 its reverse (32324104203), we get a palindrome (62564246526).

The spelling of 30240142323 in words is "thirty billion, two hundred forty million, one hundred forty-two thousand, three hundred twenty-three".