204402301002123 has 64 divisors (see below), whose sum is σ = 333493527552000. Its totient is φ = 108754512240384.

The previous prime is 204402301002113. The next prime is 204402301002143. The reversal of 204402301002123 is 321200103204402.

It is a happy number.

It is not a de Polignac number, because 204402301002123 - 2¹³ = 204402300993931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204402301002093 and 204402301002102.

It is not an unprimeable number, because it can be changed into a prime (204402301002113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106561143 + ... + 108462351.

It is an arithmetic number, because the mean of its divisors is an integer number (5210836368000).

Almost surely, 2^{204402301002123} is an apocalyptic number.

204402301002123 is a deficient number, since it is larger than the sum of its proper divisors (129091226549877).

204402301002123 is a wasteful number, since it uses less digits than its factorization.

204402301002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905864.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 204402301002123 its reverse (321200103204402), we get a palindrome (525602404206525).

The spelling of 204402301002123 in words is "two hundred four trillion, four hundred two billion, three hundred one million, two thousand, one hundred twenty-three".