30723047055 has 24 divisors (see below), whose sum is σ = 53257364160. Its totient is φ = 16384368960.

The previous prime is 30723047009. The next prime is 30723047057. The reversal of 30723047055 is 55074032703.

30723047055 is a `hidden beast` number, since 307 + 230 + 4 + 70 + 55 = 666.

It is not a de Polignac number, because 30723047055 - 2¹¹ = 30723045007 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1098090 + ... + 1125720.

It is an arithmetic number, because the mean of its divisors is an integer number (2219056840).

Almost surely, 2^30723047055 is an apocalyptic number.

30723047055 is a deficient number, since it is larger than the sum of its proper divisors (22534317105).

30723047055 is a wasteful number, since it uses less digits than its factorization.

30723047055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52351 (or 52348 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

Adding to 30723047055 its reverse (55074032703), we get a palindrome (85797079758).

The spelling of 30723047055 in words is "thirty billion, seven hundred twenty-three million, forty-seven thousand, fifty-five".