23340553729 has 2 divisors, whose sum is σ = 23340553730. Its totient is φ = 23340553728.

The previous prime is 23340553723. The next prime is 23340553739. The reversal of 23340553729 is 92735504332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22308409600 + 1032144129 = 149360^2 + 32127^2 .

It is a cyclic number.

It is not a de Polignac number, because 23340553729 - 2³¹ = 21193070081 is a prime.

It is not a weakly prime, because it can be changed into another prime (23340553723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670276864 + 11670276865.

It is an arithmetic number, because the mean of its divisors is an integer number (11670276865).

Almost surely, 2^23340553729 is an apocalyptic number.

It is an amenable number.

23340553729 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340553729 is an equidigital number, since it uses as much as digits as its factorization.

23340553729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 23340553729 in words is "twenty-three billion, three hundred forty million, five hundred fifty-three thousand, seven hundred twenty-nine".