123033002220 has 48 divisors (see below), whose sum is σ = 382769341920. Its totient is φ = 32808800448.

The previous prime is 123033002189. The next prime is 123033002227. The reversal of 123033002220 is 22200330321.

It is a happy number.

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 = 123033002193 and 123033002202.

It is not an unprimeable number, because it can be changed into a prime (123033002227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113918907 + ... + 113919986.

It is an arithmetic number, because the mean of its divisors is an integer number (7974361290).

Almost surely, 2^123033002220 is an apocalyptic number.

123033002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123033002220 is an abundant number, since it is smaller than the sum of its proper divisors (259736339700).

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

123033002220 is a wasteful number, since it uses less digits than its factorization.

123033002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227838911 (or 227838903 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 123033002220 its reverse (22200330321), we get a palindrome (145233332541).

The spelling of 123033002220 in words is "one hundred twenty-three billion, thirty-three million, two thousand, two hundred twenty".