102320253215 has 16 divisors (see below), whose sum is σ = 129706621920. Its totient is φ = 77271989760.

The previous prime is 102320253181. The next prime is 102320253227. The reversal of 102320253215 is 512352023201.

It is a happy number.

It is not a de Polignac number, because 102320253215 - 2¹⁶ = 102320187679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889774 + ... + 1943163.

It is an arithmetic number, because the mean of its divisors is an integer number (8106663870).

Almost surely, 2^102320253215 is an apocalyptic number.

102320253215 is a deficient number, since it is larger than the sum of its proper divisors (27386368705).

102320253215 is a wasteful number, since it uses less digits than its factorization.

102320253215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833242.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 102320253215 its reverse (512352023201), we get a palindrome (614672276416).

The spelling of 102320253215 in words is "one hundred two billion, three hundred twenty million, two hundred fifty-three thousand, two hundred fifteen".