1243114143400 has 24 divisors (see below), whose sum is σ = 2890240383870. Its totient is φ = 497245657280.

The previous prime is 1243114143379. The next prime is 1243114143433. The reversal of 1243114143400 is 43414113421.

It can be written as a sum of positive squares in 3 ways, for example, as 906391586116 + 336722557284 = 952046^2 + 580278^2 .

It is a super-2 number, since 2×1243114143400² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3107785159 + ... + 3107785558.

Almost surely, 2^{1243114143400} is an apocalyptic number.

1243114143400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243114143400 is an abundant number, since it is smaller than the sum of its proper divisors (1647126240470).

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

1243114143400 is a wasteful number, since it uses less digits than its factorization.

1243114143400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215570733 (or 6215570724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1243114143400 its reverse (43414113421), we get a palindrome (1286528256821).

The spelling of 1243114143400 in words is "one trillion, two hundred forty-three billion, one hundred fourteen million, one hundred forty-three thousand, four hundred".