20130230023427 has 2 divisors, whose sum is σ = 20130230023428. Its totient is φ = 20130230023426.

The previous prime is 20130230023381. The next prime is 20130230023447. The reversal of 20130230023427 is 72432003203102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20130230023427 - 2¹² = 20130230019331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20130230023427.

It is not a weakly prime, because it can be changed into another prime (20130230023447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065115011713 + 10065115011714.

It is an arithmetic number, because the mean of its divisors is an integer number (10065115011714).

Almost surely, 2^{20130230023427} is an apocalyptic number.

20130230023427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130230023427 is an equidigital number, since it uses as much as digits as its factorization.

20130230023427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 20130230023427 its reverse (72432003203102), we get a palindrome (92562233226529).

The spelling of 20130230023427 in words is "twenty trillion, one hundred thirty billion, two hundred thirty million, twenty-three thousand, four hundred twenty-seven".