2123307418 has 24 divisors (see below), whose sum is σ = 3367552320. Its totient is φ = 1003941000.

The previous prime is 2123307409. The next prime is 2123307451. The reversal of 2123307418 is 8147033212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123307418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444543 + ... + 449293.

It is an arithmetic number, because the mean of its divisors is an integer number (140314680).

Almost surely, 2^2123307418 is an apocalyptic number.

2123307418 is a deficient number, since it is larger than the sum of its proper divisors (1244244902).

2123307418 is a wasteful number, since it uses less digits than its factorization.

2123307418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410 (or 5391 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2123307418 is about 46079.3599998958. The cubic root of 2123307418 is about 1285.2993630981.

The spelling of 2123307418 in words is "two billion, one hundred twenty-three million, three hundred seven thousand, four hundred eighteen".