102323002420 has 36 divisors (see below), whose sum is σ = 226782936324. Its totient is φ = 38775029760.

The previous prime is 102323002391. The next prime is 102323002423. The reversal of 102323002420 is 24200323201.

It can be written as a sum of positive squares in 2 ways, for example, as 21660186276 + 80662816144 = 147174^2 + 284012^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323002423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7078861 + ... + 7093300.

It is an arithmetic number, because the mean of its divisors is an integer number (6299526009).

Almost surely, 2^102323002420 is an apocalyptic number.

102323002420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102323002420 is an abundant number, since it is smaller than the sum of its proper divisors (124459933904).

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

102323002420 is a wasteful number, since it uses less digits than its factorization.

102323002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172208 (or 14172187 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 102323002420 its reverse (24200323201), we get a palindrome (126523325621).

The spelling of 102323002420 in words is "one hundred two billion, three hundred twenty-three million, two thousand, four hundred twenty".