1628512888423 has 2 divisors, whose sum is σ = 1628512888424. Its totient is φ = 1628512888422.

The previous prime is 1628512888411. The next prime is 1628512888441. The reversal of 1628512888423 is 3248882158261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1628512888423 - 2¹⁷ = 1628512757351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1628512888463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814256444211 + 814256444212.

It is an arithmetic number, because the mean of its divisors is an integer number (814256444212).

Almost surely, 2^{1628512888423} is an apocalyptic number.

1628512888423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1628512888423 is an equidigital number, since it uses as much as digits as its factorization.

1628512888423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11796480, while the sum is 58.

The spelling of 1628512888423 in words is "one trillion, six hundred twenty-eight billion, five hundred twelve million, eight hundred eighty-eight thousand, four hundred twenty-three".