1023123211330 has 96 divisors (see below), whose sum is σ = 2141519184000. Its totient is φ = 350690757120.

The previous prime is 1023123211259. The next prime is 1023123211337. The reversal of 1023123211330 is 331123213201.

It is a super-2 number, since 2×1023123211330² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1023123211337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4463194 + ... + 4686826.

It is an arithmetic number, because the mean of its divisors is an integer number (22307491500).

Almost surely, 2^{1023123211330} is an apocalyptic number.

1023123211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023123211330 is an abundant number, since it is smaller than the sum of its proper divisors (1118395972670).

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

1023123211330 is a wasteful number, since it uses less digits than its factorization.

1023123211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223880 (or 223869 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1023123211330 its reverse (331123213201), we get a palindrome (1354246424531).

The spelling of 1023123211330 in words is "one trillion, twenty-three billion, one hundred twenty-three million, two hundred eleven thousand, three hundred thirty".