30072340623 has 16 divisors (see below), whose sum is σ = 43274490336. Its totient is φ = 18465901440.

The previous prime is 30072340607. The next prime is 30072340657. The reversal of 30072340623 is 32604327003.

It is not a de Polignac number, because 30072340623 - 2⁴ = 30072340607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30072340663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818340 + ... + 854297.

It is an arithmetic number, because the mean of its divisors is an integer number (2704655646).

Almost surely, 2^30072340623 is an apocalyptic number.

30072340623 is a deficient number, since it is larger than the sum of its proper divisors (13202149713).

30072340623 is a wasteful number, since it uses less digits than its factorization.

30072340623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673114.

The product of its (nonzero) digits is 18144, while the sum is 30.

Adding to 30072340623 its reverse (32604327003), we get a palindrome (62676667626).

The spelling of 30072340623 in words is "thirty billion, seventy-two million, three hundred forty thousand, six hundred twenty-three".