102023450565 has 16 divisors (see below), whose sum is σ = 172839728448. Its totient is φ = 51211771136.

The previous prime is 102023450561. The next prime is 102023450587. The reversal of 102023450565 is 565054320201.

It is a cyclic number.

It is not a de Polignac number, because 102023450565 - 2² = 102023450561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023450561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200045727 + ... + 200046236.

It is an arithmetic number, because the mean of its divisors is an integer number (10802483028).

Almost surely, 2^102023450565 is an apocalyptic number.

102023450565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102023450565 is a deficient number, since it is larger than the sum of its proper divisors (70816277883).

102023450565 is a wasteful number, since it uses less digits than its factorization.

102023450565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400091988.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 102023450565 its reverse (565054320201), we get a palindrome (667077770766).

The spelling of 102023450565 in words is "one hundred two billion, twenty-three million, four hundred fifty thousand, five hundred sixty-five".