23311098217061 has 2 divisors, whose sum is σ = 23311098217062. Its totient is φ = 23311098217060.

The previous prime is 23311098217019. The next prime is 23311098217079. The reversal of 23311098217061 is 16071289011332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15971772460900 + 7339325756161 = 3996470^2 + 2709119^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311098217061 - 2²² = 23311094022757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311097217061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655549108530 + 11655549108531.

It is an arithmetic number, because the mean of its divisors is an integer number (11655549108531).

Almost surely, 2^{23311098217061} is an apocalyptic number.

It is an amenable number.

23311098217061 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311098217061 is an equidigital number, since it uses as much as digits as its factorization.

23311098217061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 23311098217061 in words is "twenty-three trillion, three hundred eleven billion, ninety-eight million, two hundred seventeen thousand, sixty-one".