1123445667900 has 72 divisors (see below), whose sum is σ = 3253712467824. Its totient is φ = 299289689600.

The previous prime is 1123445667889. The next prime is 1123445667907. The reversal of 1123445667900 is 97665443211.

It is a super-3 number, since 3×1123445667900³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123445667900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123445667907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1544481 + ... + 2152280.

It is an arithmetic number, because the mean of its divisors is an integer number (45190450942).

Almost surely, 2^{1123445667900} is an apocalyptic number.

1123445667900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123445667900 is an abundant number, since it is smaller than the sum of its proper divisors (2130266799924).

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

1123445667900 is a wasteful number, since it uses less digits than its factorization.

1123445667900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697791 (or 3697784 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 1123445667900 in words is "one trillion, one hundred twenty-three billion, four hundred forty-five million, six hundred sixty-seven thousand, nine hundred".