102311623 has 16 divisors (see below), whose sum is σ = 109932480. Its totient is φ = 95026176.

The previous prime is 102311611. The next prime is 102311653. The reversal of 102311623 is 326113201.

It is a cyclic number.

It is not a de Polignac number, because 102311623 - 2¹³ = 102303431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102311623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103590 + ... + 104572.

It is an arithmetic number, because the mean of its divisors is an integer number (6870780).

Almost surely, 2^102311623 is an apocalyptic number.

102311623 is a deficient number, since it is larger than the sum of its proper divisors (7620857).

102311623 is an equidigital number, since it uses as much as digits as its factorization.

102311623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102311623 is about 10114.9208103672. The cubic root of 102311623 is about 467.7082077527.

Adding to 102311623 its reverse (326113201), we get a palindrome (428424824).

The spelling of 102311623 in words is "one hundred two million, three hundred eleven thousand, six hundred twenty-three".