123122230030 has 32 divisors (see below), whose sum is σ = 233415705600. Its totient is φ = 46630549152.

The previous prime is 123122230019. The next prime is 123122230067. The reversal of 123122230030 is 30032221321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157051 + ... + 520489.

It is an arithmetic number, because the mean of its divisors is an integer number (7294240800).

Almost surely, 2^123122230030 is an apocalyptic number.

123122230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123122230030 is a deficient number, since it is larger than the sum of its proper divisors (110293475570).

123122230030 is a wasteful number, since it uses less digits than its factorization.

123122230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365248.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123122230030 its reverse (30032221321), we get a palindrome (153154451351).

The spelling of 123122230030 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred thirty thousand, thirty".