2123524400 has 60 divisors (see below), whose sum is σ = 5401888632. Its totient is φ = 799441920.

The previous prime is 2123524393. The next prime is 2123524453. The reversal of 2123524400 is 44253212.

It is a happy 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, 149342 + ... + 162941.

Almost surely, 2^2123524400 is an apocalyptic number.

2123524400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123524400 is an abundant number, since it is smaller than the sum of its proper divisors (3278364232).

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

2123524400 is a wasteful number, since it uses less digits than its factorization.

2123524400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312318 (or 312307 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2123524400 is about 46081.7143778310. The cubic root of 2123524400 is about 1285.3431434326.

Adding to 2123524400 its reverse (44253212), we get a palindrome (2167777612).

The spelling of 2123524400 in words is "two billion, one hundred twenty-three million, five hundred twenty-four thousand, four hundred".