1011320023230 has 96 divisors (see below), whose sum is σ = 2938434172128. Its totient is φ = 239188761600.

The previous prime is 1011320023223. The next prime is 1011320023283. The reversal of 1011320023230 is 323200231101.

1011320023230 is a `hidden beast` number, since 10 + 11 + 320 + 0 + 2 + 323 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12417159 + ... + 12498338.

It is an arithmetic number, because the mean of its divisors is an integer number (30608689293).

Almost surely, 2^{1011320023230} is an apocalyptic number.

1011320023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011320023230 is an abundant number, since it is smaller than the sum of its proper divisors (1927114148898).

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

1011320023230 is a wasteful number, since it uses less digits than its factorization.

1011320023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24915562 (or 24915559 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1011320023230 its reverse (323200231101), we get a palindrome (1334520254331).

The spelling of 1011320023230 in words is "one trillion, eleven billion, three hundred twenty million, twenty-three thousand, two hundred thirty".