30140020123 has 2 divisors, whose sum is σ = 30140020124. Its totient is φ = 30140020122.

The previous prime is 30140020087. The next prime is 30140020133. The reversal of 30140020123 is 32102004103.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30140020123 - 2²⁵ = 30106465691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30140020097 and 30140020106.

It is not a weakly prime, because it can be changed into another prime (30140020133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070010061 + 15070010062.

It is an arithmetic number, because the mean of its divisors is an integer number (15070010062).

Almost surely, 2^30140020123 is an apocalyptic number.

30140020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140020123 is an equidigital number, since it uses as much as digits as its factorization.

30140020123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30140020123 its reverse (32102004103), we get a palindrome (62242024226).

The spelling of 30140020123 in words is "thirty billion, one hundred forty million, twenty thousand, one hundred twenty-three".