102240115523 has 8 divisors (see below), whose sum is σ = 125833988448. Its totient is φ = 80893278144.

The previous prime is 102240115513. The next prime is 102240115561. The reversal of 102240115523 is 325511042201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102240115523 - 2⁸ = 102240115267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102240115492 and 102240115501.

It is not an unprimeable number, because it can be changed into a prime (102240115513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561758786 + ... + 561758967.

It is an arithmetic number, because the mean of its divisors is an integer number (15729248556).

Almost surely, 2^102240115523 is an apocalyptic number.

102240115523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102240115523 is a deficient number, since it is larger than the sum of its proper divisors (23593872925).

102240115523 is a wasteful number, since it uses less digits than its factorization.

102240115523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123517773.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 102240115523 its reverse (325511042201), we get a palindrome (427751157724).

The spelling of 102240115523 in words is "one hundred two billion, two hundred forty million, one hundred fifteen thousand, five hundred twenty-three".