123204402011 has 8 divisors (see below), whose sum is σ = 126572455344. Its totient is φ = 119838359520.

The previous prime is 123204401987. The next prime is 123204402023. The reversal of 123204402011 is 110204402321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123204402011 - 2²² = 123200207707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123204401011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378080 + ... + 623981.

It is an arithmetic number, because the mean of its divisors is an integer number (15821556918).

Almost surely, 2^123204402011 is an apocalyptic number.

123204402011 is a deficient number, since it is larger than the sum of its proper divisors (3368053333).

123204402011 is a wasteful number, since it uses less digits than its factorization.

123204402011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005421.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 123204402011 its reverse (110204402321), we get a palindrome (233408804332).

The spelling of 123204402011 in words is "one hundred twenty-three billion, two hundred four million, four hundred two thousand, eleven".