1523640323627 has 2 divisors, whose sum is σ = 1523640323628. Its totient is φ = 1523640323626.

The previous prime is 1523640323617. The next prime is 1523640323663. The reversal of 1523640323627 is 7263230463251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1523640323627 - 2³⁶ = 1454920846891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1523640323617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761820161813 + 761820161814.

It is an arithmetic number, because the mean of its divisors is an integer number (761820161814).

Almost surely, 2^{1523640323627} is an apocalyptic number.

1523640323627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523640323627 is an equidigital number, since it uses as much as digits as its factorization.

1523640323627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 44.

Adding to 1523640323627 its reverse (7263230463251), we get a palindrome (8786870786878).

The spelling of 1523640323627 in words is "one trillion, five hundred twenty-three billion, six hundred forty million, three hundred twenty-three thousand, six hundred twenty-seven".