30723047050 has 12 divisors (see below), whose sum is σ = 57144867606. Its totient is φ = 12289218800.

The previous prime is 30723047009. The next prime is 30723047057. The reversal of 30723047050 is 5074032703.

It can be written as a sum of positive squares in 3 ways, for example, as 11559905289 + 19163141761 = 107517^2 + 138431^2 .

It is not an unprimeable number, because it can be changed into a prime (30723047057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307230421 + ... + 307230520.

Almost surely, 2^30723047050 is an apocalyptic number.

30723047050 is a deficient number, since it is larger than the sum of its proper divisors (26421820556).

30723047050 is a wasteful number, since it uses less digits than its factorization.

30723047050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614460953 (or 614460948 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

Adding to 30723047050 its reverse (5074032703), we get a palindrome (35797079753).

The spelling of 30723047050 in words is "thirty billion, seven hundred twenty-three million, forty-seven thousand, fifty".