102401234320 has 80 divisors (see below), whose sum is σ = 296830608768. Its totient is φ = 31917265920.

The previous prime is 102401234303. The next prime is 102401234329. The reversal of 102401234320 is 23432104201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102401234291 and 102401234300.

It is not an unprimeable number, because it can be changed into a prime (102401234329) 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, 8305629 + ... + 8317948.

Almost surely, 2^102401234320 is an apocalyptic number.

102401234320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102401234320 is an abundant number, since it is smaller than the sum of its proper divisors (194429374448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102401234320 is a wasteful number, since it uses less digits than its factorization.

102401234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623608 (or 16623602 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102401234320 its reverse (23432104201), we get a palindrome (125833338521).

The spelling of 102401234320 in words is "one hundred two billion, four hundred one million, two hundred thirty-four thousand, three hundred twenty".