102021874523 has 16 divisors (see below), whose sum is σ = 105236447232. Its totient is φ = 98843976000.

The previous prime is 102021874481. The next prime is 102021874543. The reversal of 102021874523 is 325478120201.

It is a cyclic number.

It is not a de Polignac number, because 102021874523 - 2¹² = 102021870427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021874543) 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, 3992678 + ... + 4018148.

It is an arithmetic number, because the mean of its divisors is an integer number (6577277952).

Almost surely, 2^102021874523 is an apocalyptic number.

102021874523 is a deficient number, since it is larger than the sum of its proper divisors (3214572709).

102021874523 is a wasteful number, since it uses less digits than its factorization.

102021874523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26186.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 102021874523 its reverse (325478120201), we get a palindrome (427499994724).

The spelling of 102021874523 in words is "one hundred two billion, twenty-one million, eight hundred seventy-four thousand, five hundred twenty-three".