23405250663961 has 2 divisors, whose sum is σ = 23405250663962. Its totient is φ = 23405250663960.

The previous prime is 23405250663941. The next prime is 23405250663983. The reversal of 23405250663961 is 16936605250432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13131020505625 + 10274230158336 = 3623675^2 + 3205344^2 .

It is a cyclic number.

It is not a de Polignac number, because 23405250663961 - 2⁷ = 23405250663833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23405250663899 and 23405250663908.

It is not a weakly prime, because it can be changed into another prime (23405250663941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11702625331980 + 11702625331981.

It is an arithmetic number, because the mean of its divisors is an integer number (11702625331981).

Almost surely, 2^{23405250663961} is an apocalyptic number.

It is an amenable number.

23405250663961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23405250663961 is an equidigital number, since it uses as much as digits as its factorization.

23405250663961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 23405250663961 in words is "twenty-three trillion, four hundred five billion, two hundred fifty million, six hundred sixty-three thousand, nine hundred sixty-one".