30423042344 has 8 divisors (see below), whose sum is σ = 57043204410. Its totient is φ = 15211521168.

The previous prime is 30423042313. The next prime is 30423042347. The reversal of 30423042344 is 44324032403.

It can be written as a sum of positive squares in only one way, i.e., 22789525444 + 7633516900 = 150962^2 + 87370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30423042347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1901440139 + ... + 1901440154.

Almost surely, 2^30423042344 is an apocalyptic number.

It is an amenable number.

30423042344 is a deficient number, since it is larger than the sum of its proper divisors (26620162066).

30423042344 is a wasteful number, since it uses less digits than its factorization.

30423042344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802880299 (or 3802880295 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 30423042344 its reverse (44324032403), we get a palindrome (74747074747).

The spelling of 30423042344 in words is "thirty billion, four hundred twenty-three million, forty-two thousand, three hundred forty-four".