102002423143 has 4 divisors (see below), whose sum is σ = 102905099568. Its totient is φ = 101099746720.

The previous prime is 102002423071. The next prime is 102002423147. The reversal of 102002423143 is 341324200201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102002423143 - 2²¹ = 102000325991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002423147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451338043 + ... + 451338268.

It is an arithmetic number, because the mean of its divisors is an integer number (25726274892).

Almost surely, 2^102002423143 is an apocalyptic number.

102002423143 is a deficient number, since it is larger than the sum of its proper divisors (902676425).

102002423143 is an equidigital number, since it uses as much as digits as its factorization.

102002423143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902676424.

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

Adding to 102002423143 its reverse (341324200201), we get a palindrome (443326623344).

The spelling of 102002423143 in words is "one hundred two billion, two million, four hundred twenty-three thousand, one hundred forty-three".