23453442403837 has 2 divisors, whose sum is σ = 23453442403838. Its totient is φ = 23453442403836.

The previous prime is 23453442403801. The next prime is 23453442403879. The reversal of 23453442403837 is 73830424435432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20410751766276 + 3042690637561 = 4517826^2 + 1744331^2 .

It is a cyclic number.

It is not a de Polignac number, because 23453442403837 - 2²⁷ = 23453308186109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23453442403337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726721201918 + 11726721201919.

It is an arithmetic number, because the mean of its divisors is an integer number (11726721201919).

Almost surely, 2^{23453442403837} is an apocalyptic number.

It is an amenable number.

23453442403837 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453442403837 is an equidigital number, since it uses as much as digits as its factorization.

23453442403837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 52.

The spelling of 23453442403837 in words is "twenty-three trillion, four hundred fifty-three billion, four hundred forty-two million, four hundred three thousand, eight hundred thirty-seven".