2123192468 has 24 divisors (see below), whose sum is σ = 4081197120. Its totient is φ = 961994880.

The previous prime is 2123192453. The next prime is 2123192473. The reversal of 2123192468 is 8642913212.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605573 + ... + 609068.

It is an arithmetic number, because the mean of its divisors is an integer number (170049880).

Almost surely, 2^2123192468 is an apocalyptic number.

It is an amenable number.

2123192468 is a deficient number, since it is larger than the sum of its proper divisors (1958004652).

2123192468 is a wasteful number, since it uses less digits than its factorization.

2123192468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214687 (or 1214685 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 2123192468 is about 46078.1126783639. The cubic root of 2123192468 is about 1285.2761684935.

The spelling of 2123192468 in words is "two billion, one hundred twenty-three million, one hundred ninety-two thousand, four hundred sixty-eight".