2321665423 has 96 divisors (see below), whose sum is σ = 3277946880. Its totient is φ = 1619352000.

The previous prime is 2321665421. The next prime is 2321665453. The reversal of 2321665423 is 3245661232.

2321665423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2321665423 - 2¹ = 2321665421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321665421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22540390 + ... + 22540492.

It is an arithmetic number, because the mean of its divisors is an integer number (34145280).

Almost surely, 2^2321665423 is an apocalyptic number.

2321665423 is a deficient number, since it is larger than the sum of its proper divisors (956281457).

2321665423 is a wasteful number, since it uses less digits than its factorization.

2321665423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 242 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 2321665423 is about 48183.6634451969. The cubic root of 2321665423 is about 1324.1378842763.

The spelling of 2321665423 in words is "two billion, three hundred twenty-one million, six hundred sixty-five thousand, four hundred twenty-three".