30523634137 has 2 divisors, whose sum is σ = 30523634138. Its totient is φ = 30523634136.

The previous prime is 30523634111. The next prime is 30523634179. The reversal of 30523634137 is 73143632503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22305123801 + 8218510336 = 149349^2 + 90656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30523634137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30523634096 and 30523634105.

It is not a weakly prime, because it can be changed into another prime (30523634107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261817068 + 15261817069.

It is an arithmetic number, because the mean of its divisors is an integer number (15261817069).

Almost surely, 2^30523634137 is an apocalyptic number.

It is an amenable number.

30523634137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523634137 is an equidigital number, since it uses as much as digits as its factorization.

30523634137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 37.

The spelling of 30523634137 in words is "thirty billion, five hundred twenty-three million, six hundred thirty-four thousand, one hundred thirty-seven".