30400140023 has 32 divisors (see below), whose sum is σ = 33871426560. Its totient is φ = 27054720000.

The previous prime is 30400140013. The next prime is 30400140079. The reversal of 30400140023 is 32004100403.

It is not a de Polignac number, because 30400140023 - 2¹⁰ = 30400138999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30400139983 and 30400140010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400140013) 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 31 ways as a sum of consecutive naturals, for example, 75810623 + ... + 75811023.

It is an arithmetic number, because the mean of its divisors is an integer number (1058482080).

Almost surely, 2^30400140023 is an apocalyptic number.

30400140023 is a deficient number, since it is larger than the sum of its proper divisors (3471286537).

30400140023 is a wasteful number, since it uses less digits than its factorization.

30400140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30400140023 its reverse (32004100403), we get a palindrome (62404240426).

The spelling of 30400140023 in words is "thirty billion, four hundred million, one hundred forty thousand, twenty-three".