240104210123 has 2 divisors, whose sum is σ = 240104210124. Its totient is φ = 240104210122.

The previous prime is 240104210117. The next prime is 240104210141. The reversal of 240104210123 is 321012401042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240104210123 - 2¹⁴ = 240104193739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240104210095 and 240104210104.

It is not a weakly prime, because it can be changed into another prime (240104210113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120052105061 + 120052105062.

It is an arithmetic number, because the mean of its divisors is an integer number (120052105062).

Almost surely, 2^240104210123 is an apocalyptic number.

240104210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

240104210123 is an equidigital number, since it uses as much as digits as its factorization.

240104210123 is an evil number, because the sum of its binary digits is even.

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

Adding to 240104210123 its reverse (321012401042), we get a palindrome (561116611165).

The spelling of 240104210123 in words is "two hundred forty billion, one hundred four million, two hundred ten thousand, one hundred twenty-three".