102403322019 has 12 divisors (see below), whose sum is σ = 148388488456. Its totient is φ = 68050768032.

The previous prime is 102403322017. The next prime is 102403322053. The reversal of 102403322019 is 910223304201.

It is a happy number.

It is not a de Polignac number, because 102403322019 - 2¹ = 102403322017 is a prime.

It is a super-2 number, since 2×102403322019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102403321983 and 102403322001.

It is not an unprimeable number, because it can be changed into a prime (102403322017) 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, 18173137 + ... + 18178770.

Almost surely, 2^102403322019 is an apocalyptic number.

102403322019 is a deficient number, since it is larger than the sum of its proper divisors (45985166437).

102403322019 is a wasteful number, since it uses less digits than its factorization.

102403322019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36352226 (or 36352223 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 102403322019 in words is "one hundred two billion, four hundred three million, three hundred twenty-two thousand, nineteen".