2321406987 has 8 divisors (see below), whose sum is σ = 3167191104. Its totient is φ = 1511613768.

The previous prime is 2321406959. The next prime is 2321407057. The reversal of 2321406987 is 7896041232.

2321406987 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2321406987 - 2¹⁰ = 2321405963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321406917) 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, 8997573 + ... + 8997830.

It is an arithmetic number, because the mean of its divisors is an integer number (395898888).

Almost surely, 2^2321406987 is an apocalyptic number.

2321406987 is a deficient number, since it is larger than the sum of its proper divisors (845784117).

2321406987 is a wasteful number, since it uses less digits than its factorization.

2321406987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17995449.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2321406987 is about 48180.9815902499. The cubic root of 2321406987 is about 1324.0887503524.

The spelling of 2321406987 in words is "two billion, three hundred twenty-one million, four hundred six thousand, nine hundred eighty-seven".