200002023421 has 8 divisors (see below), whose sum is σ = 204664681760. Its totient is φ = 195339885552.

The previous prime is 200002023407. The next prime is 200002023461. The reversal of 200002023421 is 124320200002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200002023421 - 2¹³ = 200002015229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200002023395 and 200002023404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002023461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709846 + ... + 950728.

It is an arithmetic number, because the mean of its divisors is an integer number (25583085220).

Almost surely, 2^200002023421 is an apocalyptic number.

It is an amenable number.

200002023421 is a deficient number, since it is larger than the sum of its proper divisors (4662658339).

200002023421 is a wasteful number, since it uses less digits than its factorization.

200002023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260235.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 200002023421 its reverse (124320200002), we get a palindrome (324322223423).

The spelling of 200002023421 in words is "two hundred billion, two million, twenty-three thousand, four hundred twenty-one".