23340553739 has 2 divisors, whose sum is σ = 23340553740. Its totient is φ = 23340553738.

The previous prime is 23340553729. The next prime is 23340553741. The reversal of 23340553739 is 93735504332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23340553739 - 2⁴ = 23340553723 is a prime.

It is a Sophie Germain prime.

Together with 23340553741, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23340553739.

It is not a weakly prime, because it can be changed into another prime (23340553729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670276869 + 11670276870.

It is an arithmetic number, because the mean of its divisors is an integer number (11670276870).

Almost surely, 2^23340553739 is an apocalyptic number.

23340553739 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340553739 is an equidigital number, since it uses as much as digits as its factorization.

23340553739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 44.

The spelling of 23340553739 in words is "twenty-three billion, three hundred forty million, five hundred fifty-three thousand, seven hundred thirty-nine".