2193698923 has 6 divisors (see below), whose sum is σ = 2375425644. Its totient is φ = 2024952696.

The previous prime is 2193698917. The next prime is 2193698951. The reversal of 2193698923 is 3298963912.

It is not a de Polignac number, because 2193698923 - 2¹³ = 2193690731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2193698963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6490065 + ... + 6490402.

It is an arithmetic number, because the mean of its divisors is an integer number (395904274).

Almost surely, 2^2193698923 is an apocalyptic number.

2193698923 is a deficient number, since it is larger than the sum of its proper divisors (181726721).

2193698923 is a wasteful number, since it uses less digits than its factorization.

2193698923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980493 (or 12980480 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 2193698923 is about 46836.9397271000. The cubic root of 2193698923 is about 1299.3485736266.

The spelling of 2193698923 in words is "two billion, one hundred ninety-three million, six hundred ninety-eight thousand, nine hundred twenty-three".