1011223023030 has 192 divisors, whose sum is σ = 3045878484480. Its totient is φ = 230186880000.

The previous prime is 1011223022983. The next prime is 1011223023037. The reversal of 1011223023030 is 303203221101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1011223022994 and 1011223023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011223023037) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1887655 + ... + 2363405.

It is an arithmetic number, because the mean of its divisors is an integer number (15863950440).

Almost surely, 2^{1011223023030} is an apocalyptic number.

1011223023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011223023030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522939242240).

1011223023030 is an abundant number, since it is smaller than the sum of its proper divisors (2034655461450).

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

1011223023030 is a wasteful number, since it uses less digits than its factorization.

1011223023030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475907 (or 475904 counting only the distinct ones).

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

Adding to 1011223023030 its reverse (303203221101), we get a palindrome (1314426244131).

The spelling of 1011223023030 in words is "one trillion, eleven billion, two hundred twenty-three million, twenty-three thousand, thirty".