23304120310421 has 2 divisors, whose sum is σ = 23304120310422. Its totient is φ = 23304120310420.

The previous prime is 23304120310379. The next prime is 23304120310451. The reversal of 23304120310421 is 12401302140332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18738847087921 + 4565273222500 = 4328839^2 + 2136650^2 .

It is a cyclic number.

It is not a de Polignac number, because 23304120310421 - 2⁴² = 18906073799317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23304120310451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11652060155210 + 11652060155211.

It is an arithmetic number, because the mean of its divisors is an integer number (11652060155211).

Almost surely, 2^{23304120310421} is an apocalyptic number.

It is an amenable number.

23304120310421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23304120310421 is an equidigital number, since it uses as much as digits as its factorization.

23304120310421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23304120310421 its reverse (12401302140332), we get a palindrome (35705422450753).

The spelling of 23304120310421 in words is "twenty-three trillion, three hundred four billion, one hundred twenty million, three hundred ten thousand, four hundred twenty-one".