1023133111200 has 216 divisors, whose sum is σ = 3684586546368. Its totient is φ = 267030397440.

The previous prime is 1023133111193. The next prime is 1023133111243. The reversal of 1023133111200 is 21113313201.

1023133111200 is a `hidden beast` number, since 1 + 0 + 231 + 3 + 311 + 120 + 0 = 666.

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 35 ways as a sum of consecutive naturals, for example, 1173322 + ... + 1850121.

It is an arithmetic number, because the mean of its divisors is an integer number (17058271048).

Almost surely, 2^{1023133111200} is an apocalyptic number.

1023133111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023133111200 is an abundant number, since it is smaller than the sum of its proper divisors (2661453435168).

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

1023133111200 is a wasteful number, since it uses less digits than its factorization.

1023133111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023516 (or 3023500 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1023133111200 its reverse (21113313201), we get a palindrome (1044246424401).

The spelling of 1023133111200 in words is "one trillion, twenty-three billion, one hundred thirty-three million, one hundred eleven thousand, two hundred".