1623543231127 has 2 divisors, whose sum is σ = 1623543231128. Its totient is φ = 1623543231126.

The previous prime is 1623543231001. The next prime is 1623543231137. The reversal of 1623543231127 is 7211323453261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1623543231127 - 2⁷ = 1623543230999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1623543231127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1623543231137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811771615563 + 811771615564.

It is an arithmetic number, because the mean of its divisors is an integer number (811771615564).

Almost surely, 2^{1623543231127} is an apocalyptic number.

1623543231127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623543231127 is an equidigital number, since it uses as much as digits as its factorization.

1623543231127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

Adding to 1623543231127 its reverse (7211323453261), we get a palindrome (8834866684388).

The spelling of 1623543231127 in words is "one trillion, six hundred twenty-three billion, five hundred forty-three million, two hundred thirty-one thousand, one hundred twenty-seven".