123021033030 has 192 divisors, whose sum is σ = 370280896128. Its totient is φ = 27756748800.

The previous prime is 123021033011. The next prime is 123021033049. The reversal of 123021033030 is 30330120321.

123021033030 is a `hidden beast` number, since 1 + 2 + 302 + 1 + 0 + 330 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (123021033011) and next prime (123021033049).

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 = 123021032994 and 123021033012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22458652 + ... + 22464128.

It is an arithmetic number, because the mean of its divisors is an integer number (1928546334).

Almost surely, 2^123021033030 is an apocalyptic number.

123021033030 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 123021033030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185140448064).

123021033030 is an abundant number, since it is smaller than the sum of its proper divisors (247259863098).

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

123021033030 is a wasteful number, since it uses less digits than its factorization.

123021033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951 (or 5948 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 123021033030 its reverse (30330120321), we get a palindrome (153351153351).

The spelling of 123021033030 in words is "one hundred twenty-three billion, twenty-one million, thirty-three thousand, thirty".