2123567436 has 24 divisors (see below), whose sum is σ = 4956621040. Its totient is φ = 707622912.

The previous prime is 2123567429. The next prime is 2123567449. The reversal of 2123567436 is 6347653212.

It is a super-2 number, since 2×2123567436² = 9019077310479228192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2123567394 and 2123567403.

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, 11100 + ... + 66108.

Almost surely, 2^2123567436 is an apocalyptic number.

It is an amenable number.

2123567436 is an abundant number, since it is smaller than the sum of its proper divisors (2833053604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123567436 is a wasteful number, since it uses less digits than its factorization.

2123567436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58233 (or 58231 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 2123567436 is about 46082.1813285786. The cubic root of 2123567436 is about 1285.3518264273.

The spelling of 2123567436 in words is "two billion, one hundred twenty-three million, five hundred sixty-seven thousand, four hundred thirty-six".