102435123452 has 6 divisors (see below), whose sum is σ = 179261466048. Its totient is φ = 51217561724.

The previous prime is 102435123409. The next prime is 102435123493. The reversal of 102435123452 is 254321534201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12804390428 + ... + 12804390435.

It is an arithmetic number, because the mean of its divisors is an integer number (29876911008).

Almost surely, 2^102435123452 is an apocalyptic number.

It is an amenable number.

102435123452 is a deficient number, since it is larger than the sum of its proper divisors (76826342596).

102435123452 is a wasteful number, since it uses less digits than its factorization.

102435123452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25608780867 (or 25608780865 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 102435123452 its reverse (254321534201), we get a palindrome (356756657653).

The spelling of 102435123452 in words is "one hundred two billion, four hundred thirty-five million, one hundred twenty-three thousand, four hundred fifty-two".