123202004321 has 16 divisors (see below), whose sum is σ = 134683922880. Its totient is φ = 111767248320.

The previous prime is 123202004281. The next prime is 123202004363. The reversal of 123202004321 is 123400202321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123202004321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123202004293 and 123202004302.

It is not an unprimeable number, because it can be changed into a prime (123202004221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16797371 + ... + 16804703.

It is an arithmetic number, because the mean of its divisors is an integer number (8417745180).

Almost surely, 2^123202004321 is an apocalyptic number.

123202004321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123202004321 is a deficient number, since it is larger than the sum of its proper divisors (11481918559).

123202004321 is a wasteful number, since it uses less digits than its factorization.

123202004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10336.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123202004321 its reverse (123400202321), we get a palindrome (246602206642).

The spelling of 123202004321 in words is "one hundred twenty-three billion, two hundred two million, four thousand, three hundred twenty-one".