1123430130100 has 36 divisors (see below), whose sum is σ = 2581245938124. Its totient is φ = 422938401280.

The previous prime is 1123430130091. The next prime is 1123430130103. The reversal of 1123430130100 is 10310343211.

It can be written as a sum of positive squares in 6 ways, for example, as 28397642256 + 1095032487844 = 168516^2 + 1046438^2 .

It is a super-4 number, since 4×1123430130100⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123430130103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330418927 + ... + 330422326.

It is an arithmetic number, because the mean of its divisors is an integer number (71701276059).

Almost surely, 2^{1123430130100} is an apocalyptic number.

1123430130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123430130100 is an abundant number, since it is smaller than the sum of its proper divisors (1457815808024).

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

1123430130100 is a wasteful number, since it uses less digits than its factorization.

1123430130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660841284 (or 660841277 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123430130100 its reverse (10310343211), we get a palindrome (1133740473311).

The spelling of 1123430130100 in words is "one trillion, one hundred twenty-three billion, four hundred thirty million, one hundred thirty thousand, one hundred".