1013143023400 has 24 divisors (see below), whose sum is σ = 2355557529870. Its totient is φ = 405257209280.

The previous prime is 1013143023391. The next prime is 1013143023401. The reversal of 1013143023400 is 43203413101.

It can be written as a sum of positive squares in 3 ways, for example, as 982306960996 + 30836062404 = 991114^2 + 175602^2 .

It is not an unprimeable number, because it can be changed into a prime (1013143023401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2532857359 + ... + 2532857758.

Almost surely, 2^{1013143023400} is an apocalyptic number.

1013143023400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013143023400 is an abundant number, since it is smaller than the sum of its proper divisors (1342414506470).

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

1013143023400 is a wasteful number, since it uses less digits than its factorization.

1013143023400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065715133 (or 5065715124 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1013143023400 its reverse (43203413101), we get a palindrome (1056346436501).

The spelling of 1013143023400 in words is "one trillion, thirteen billion, one hundred forty-three million, twenty-three thousand, four hundred".