23402344019 has 2 divisors, whose sum is σ = 23402344020. Its totient is φ = 23402344018.

The previous prime is 23402344001. The next prime is 23402344057. The reversal of 23402344019 is 91044320432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23402344019 - 2¹² = 23402339923 is a prime.

It is a super-2 number, since 2×23402344019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23402344319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701172009 + 11701172010.

It is an arithmetic number, because the mean of its divisors is an integer number (11701172010).

Almost surely, 2^23402344019 is an apocalyptic number.

23402344019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402344019 is an equidigital number, since it uses as much as digits as its factorization.

23402344019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 23402344019 in words is "twenty-three billion, four hundred two million, three hundred forty-four thousand, nineteen".