1123132432400 has 60 divisors (see below), whose sum is σ = 2943628013904. Its totient is φ = 408411792000.

The previous prime is 1123132432381. The next prime is 1123132432421. The reversal of 1123132432400 is 42342313211.

It is a super-2 number, since 2×1123132432400² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123132432400.

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, 127624286 + ... + 127633085.

Almost surely, 2^{1123132432400} is an apocalyptic number.

1123132432400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123132432400 is an abundant number, since it is smaller than the sum of its proper divisors (1820495581504).

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

1123132432400 is a wasteful number, since it uses less digits than its factorization.

1123132432400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255257400 (or 255257389 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1123132432400 its reverse (42342313211), we get a palindrome (1165474745611).

The spelling of 1123132432400 in words is "one trillion, one hundred twenty-three billion, one hundred thirty-two million, four hundred thirty-two thousand, four hundred".