123020402330 has 16 divisors (see below), whose sum is σ = 253070542080. Its totient is φ = 42178423632.

The previous prime is 123020402321. The next prime is 123020402347. The reversal of 123020402330 is 33204020321.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 878717090 + ... + 878717229.

It is an arithmetic number, because the mean of its divisors is an integer number (15816908880).

Almost surely, 2^123020402330 is an apocalyptic number.

123020402330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123020402330 is an abundant number, since it is smaller than the sum of its proper divisors (130050139750).

123020402330 is a wasteful number, since it uses less digits than its factorization.

123020402330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757434333.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 123020402330 its reverse (33204020321), we get a palindrome (156224422651).

The spelling of 123020402330 in words is "one hundred twenty-three billion, twenty million, four hundred two thousand, three hundred thirty".