30423732739 has 8 divisors (see below), whose sum is σ = 31641517760. Its totient is φ = 29226764736.

The previous prime is 30423732727. The next prime is 30423732821. The reversal of 30423732739 is 93723732403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30423732739 - 2³¹ = 28276249091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30423732695 and 30423732704.

It is not an unprimeable number, because it can be changed into a prime (30423732139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5201274 + ... + 5207119.

It is an arithmetic number, because the mean of its divisors is an integer number (3955189720).

Almost surely, 2^30423732739 is an apocalyptic number.

30423732739 is a deficient number, since it is larger than the sum of its proper divisors (1217785021).

30423732739 is a wasteful number, since it uses less digits than its factorization.

30423732739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408509.

The product of its (nonzero) digits is 571536, while the sum is 43.

The spelling of 30423732739 in words is "thirty billion, four hundred twenty-three million, seven hundred thirty-two thousand, seven hundred thirty-nine".