23224896509 has 2 divisors, whose sum is σ = 23224896510. Its totient is φ = 23224896508.

The previous prime is 23224896493. The next prime is 23224896523. The reversal of 23224896509 is 90569842232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23209608409 + 15288100 = 152347^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 23224896509 - 2⁴ = 23224896493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23224896809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612448254 + 11612448255.

It is an arithmetic number, because the mean of its divisors is an integer number (11612448255).

Almost surely, 2^23224896509 is an apocalyptic number.

It is an amenable number.

23224896509 is a deficient number, since it is larger than the sum of its proper divisors (1).

23224896509 is an equidigital number, since it uses as much as digits as its factorization.

23224896509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 23224896509 in words is "twenty-three billion, two hundred twenty-four million, eight hundred ninety-six thousand, five hundred nine".