23120520354049 has 2 divisors, whose sum is σ = 23120520354050. Its totient is φ = 23120520354048.

The previous prime is 23120520354017. The next prime is 23120520354053. The reversal of 23120520354049 is 94045302502132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23103951515649 + 16568838400 = 4806657^2 + 128720^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120520354049 - 2⁵ = 23120520354017 is a prime.

It is a super-2 number, since 2×23120520354049² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23120520354059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560260177024 + 11560260177025.

It is an arithmetic number, because the mean of its divisors is an integer number (11560260177025).

Almost surely, 2^{23120520354049} is an apocalyptic number.

It is an amenable number.

23120520354049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120520354049 is an equidigital number, since it uses as much as digits as its factorization.

23120520354049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 23120520354049 in words is "twenty-three trillion, one hundred twenty billion, five hundred twenty million, three hundred fifty-four thousand, forty-nine".