123402203230 has 16 divisors (see below), whose sum is σ = 222129099360. Its totient is φ = 49359740512.

The previous prime is 123402203207. The next prime is 123402203291. The reversal of 123402203230 is 32302204321.

It is a congruent 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, 415887 + ... + 647893.

It is an arithmetic number, because the mean of its divisors is an integer number (13883068710).

Almost surely, 2^123402203230 is an apocalyptic number.

123402203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123402203230 is a deficient number, since it is larger than the sum of its proper divisors (98726896130).

123402203230 is a wasteful number, since it uses less digits than its factorization.

123402203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285203.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 123402203230 its reverse (32302204321), we get a palindrome (155704407551).

The spelling of 123402203230 in words is "one hundred twenty-three billion, four hundred two million, two hundred three thousand, two hundred thirty".