30140032423 has 2 divisors, whose sum is σ = 30140032424. Its totient is φ = 30140032422.

The previous prime is 30140032387. The next prime is 30140032451. The reversal of 30140032423 is 32423004103.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30140032423 - 2¹³ = 30140024231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30140032394 and 30140032403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30140032523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070016211 + 15070016212.

It is an arithmetic number, because the mean of its divisors is an integer number (15070016212).

Almost surely, 2^30140032423 is an apocalyptic number.

30140032423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140032423 is an equidigital number, since it uses as much as digits as its factorization.

30140032423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30140032423 its reverse (32423004103), we get a palindrome (62563036526).

The spelling of 30140032423 in words is "thirty billion, one hundred forty million, thirty-two thousand, four hundred twenty-three".