1123399143970 has 64 divisors (see below), whose sum is σ = 2046614169600. Its totient is φ = 443953264320.

The previous prime is 1123399143917. The next prime is 1123399143973. The reversal of 1123399143970 is 793419933211.

It is not an unprimeable number, because it can be changed into a prime (1123399143973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275408391 + ... + 275412469.

It is an arithmetic number, because the mean of its divisors is an integer number (31978346400).

Almost surely, 2^{1123399143970} is an apocalyptic number.

1123399143970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123399143970 is a deficient number, since it is larger than the sum of its proper divisors (923215025630).

1123399143970 is a wasteful number, since it uses less digits than its factorization.

1123399143970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 1123399143970 in words is "one trillion, one hundred twenty-three billion, three hundred ninety-nine million, one hundred forty-three thousand, nine hundred seventy".