34020423551 has 2 divisors, whose sum is σ = 34020423552. Its totient is φ = 34020423550.

The previous prime is 34020423539. The next prime is 34020423583. The reversal of 34020423551 is 15532402043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34020423551 - 2⁶ = 34020423487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34020423751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17010211775 + 17010211776.

It is an arithmetic number, because the mean of its divisors is an integer number (17010211776).

Almost surely, 2^34020423551 is an apocalyptic number.

34020423551 is a deficient number, since it is larger than the sum of its proper divisors (1).

34020423551 is an equidigital number, since it uses as much as digits as its factorization.

34020423551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 34020423551 its reverse (15532402043), we get a palindrome (49552825594).

The spelling of 34020423551 in words is "thirty-four billion, twenty million, four hundred twenty-three thousand, five hundred fifty-one".