23120553020977 has 2 divisors, whose sum is σ = 23120553020978. Its totient is φ = 23120553020976.

The previous prime is 23120553020941. The next prime is 23120553021011. The reversal of 23120553020977 is 77902035502132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18897182773921 + 4223370247056 = 4347089^2 + 2055084^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120553020977 - 2¹¹ = 23120553018929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23120553020377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560276510488 + 11560276510489.

It is an arithmetic number, because the mean of its divisors is an integer number (11560276510489).

Almost surely, 2^{23120553020977} is an apocalyptic number.

It is an amenable number.

23120553020977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120553020977 is an equidigital number, since it uses as much as digits as its factorization.

23120553020977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 23120553020977 in words is "twenty-three trillion, one hundred twenty billion, five hundred fifty-three million, twenty thousand, nine hundred seventy-seven".