23103340004021 has 2 divisors, whose sum is σ = 23103340004022. Its totient is φ = 23103340004020.

The previous prime is 23103340003957. The next prime is 23103340004099. The reversal of 23103340004021 is 12040004330132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23077320700996 + 26019303025 = 4803886^2 + 161305^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103340004021 - 2⁶ = 23103340003957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23103340004221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551670002010 + 11551670002011.

It is an arithmetic number, because the mean of its divisors is an integer number (11551670002011).

Almost surely, 2^{23103340004021} is an apocalyptic number.

It is an amenable number.

23103340004021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103340004021 is an equidigital number, since it uses as much as digits as its factorization.

23103340004021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23103340004021 its reverse (12040004330132), we get a palindrome (35143344334153).

The spelling of 23103340004021 in words is "twenty-three trillion, one hundred three billion, three hundred forty million, four thousand, twenty-one".