1013243400 has 576 divisors, whose sum is σ = 4021617600. Its totient is φ = 226437120.

The previous prime is 1013243389. The next prime is 1013243411. The reversal of 1013243400 is 43423101.

1013243400 is a `hidden beast` number, since 1 + 0 + 1 + 324 + 340 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1013243389) and next prime (1013243411).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19117774 + ... + 19117826.

It is an arithmetic number, because the mean of its divisors is an integer number (6981975).

Almost surely, 2^1013243400 is an apocalyptic number.

1013243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2010808800).

1013243400 is an abundant number, since it is smaller than the sum of its proper divisors (3008374200).

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

1013243400 is a wasteful number, since it uses less digits than its factorization.

1013243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1013243400 is about 31831.4844140200. The cubic root of 1013243400 is about 1004.3951212753.

Adding to 1013243400 its reverse (43423101), we get a palindrome (1056666501).

The spelling of 1013243400 in words is "one billion, thirteen million, two hundred forty-three thousand, four hundred".