123203033030 has 64 divisors (see below), whose sum is σ = 288508013568. Its totient is φ = 36731333760.

The previous prime is 123203032999. The next prime is 123203033039. The reversal of 123203033030 is 30330302321.

It is a junction number, because it is equal to n+sod(n) for n = 123203032993 and 123203033011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203033039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3460637 + ... + 3496056.

It is an arithmetic number, because the mean of its divisors is an integer number (4507937712).

Almost surely, 2^123203033030 is an apocalyptic number.

123203033030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123203033030 is an abundant number, since it is smaller than the sum of its proper divisors (165304980538).

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

123203033030 is a wasteful number, since it uses less digits than its factorization.

123203033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956741.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 123203033030 its reverse (30330302321), we get a palindrome (153533335351).

The spelling of 123203033030 in words is "one hundred twenty-three billion, two hundred three million, thirty-three thousand, thirty".