23242321019 has 2 divisors, whose sum is σ = 23242321020. Its totient is φ = 23242321018.

The previous prime is 23242321009. The next prime is 23242321033. The reversal of 23242321019 is 91012324232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23242321019 is a prime.

It is a super-2 number, since 2×23242321019² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23242320982 and 23242321000.

It is not a weakly prime, because it can be changed into another prime (23242321009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621160509 + 11621160510.

It is an arithmetic number, because the mean of its divisors is an integer number (11621160510).

Almost surely, 2^23242321019 is an apocalyptic number.

23242321019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23242321019 is an equidigital number, since it uses as much as digits as its factorization.

23242321019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 23242321019 in words is "twenty-three billion, two hundred forty-two million, three hundred twenty-one thousand, nineteen".