30423099739 has 2 divisors, whose sum is σ = 30423099740. Its totient is φ = 30423099738.

The previous prime is 30423099727. The next prime is 30423099761. The reversal of 30423099739 is 93799032403.

It is a weak prime.

It is an emirp because it is prime and its reverse (93799032403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30423099739 - 2¹³ = 30423091547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30423099692 and 30423099701.

It is not a weakly prime, because it can be changed into another prime (30423099769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211549869 + 15211549870.

It is an arithmetic number, because the mean of its divisors is an integer number (15211549870).

Almost surely, 2^30423099739 is an apocalyptic number.

30423099739 is a deficient number, since it is larger than the sum of its proper divisors (1).

30423099739 is an equidigital number, since it uses as much as digits as its factorization.

30423099739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The spelling of 30423099739 in words is "thirty billion, four hundred twenty-three million, ninety-nine thousand, seven hundred thirty-nine".