30040204023 has 32 divisors (see below), whose sum is σ = 45652078080. Its totient is φ = 19511513280.

The previous prime is 30040203997. The next prime is 30040204043. The reversal of 30040204023 is 32040204003.

It is not a de Polignac number, because 30040204023 - 2⁶ = 30040203959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30040203987 and 30040204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040204043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804240 + ... + 840762.

It is an arithmetic number, because the mean of its divisors is an integer number (1426627440).

Almost surely, 2^30040204023 is an apocalyptic number.

30040204023 is a deficient number, since it is larger than the sum of its proper divisors (15611874057).

30040204023 is a wasteful number, since it uses less digits than its factorization.

30040204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37316 (or 37310 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30040204023 its reverse (32040204003), we get a palindrome (62080408026).

The spelling of 30040204023 in words is "thirty billion, forty million, two hundred four thousand, twenty-three".