30923729623 has 16 divisors (see below), whose sum is σ = 34597221120. Its totient is φ = 27467945856.

The previous prime is 30923729611. The next prime is 30923729647. The reversal of 30923729623 is 32692732903.

It is a cyclic number.

It is not a de Polignac number, because 30923729623 - 2⁵ = 30923729591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30923729923) 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, 97065 + ... + 266962.

It is an arithmetic number, because the mean of its divisors is an integer number (2162326320).

Almost surely, 2^30923729623 is an apocalyptic number.

30923729623 is a deficient number, since it is larger than the sum of its proper divisors (3673491497).

30923729623 is a wasteful number, since it uses less digits than its factorization.

30923729623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364326.

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 30923729623 in words is "thirty billion, nine hundred twenty-three million, seven hundred twenty-nine thousand, six hundred twenty-three".