23542240534577 has 2 divisors, whose sum is σ = 23542240534578. Its totient is φ = 23542240534576.

The previous prime is 23542240534543. The next prime is 23542240534601. The reversal of 23542240534577 is 77543504224532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22397417573281 + 1144822961296 = 4732591^2 + 1069964^2 .

It is a cyclic number.

It is not a de Polignac number, because 23542240534577 - 2²⁶ = 23542173425713 is a prime.

It is not a weakly prime, because it can be changed into another prime (23542240534537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771120267288 + 11771120267289.

It is an arithmetic number, because the mean of its divisors is an integer number (11771120267289).

Almost surely, 2^{23542240534577} is an apocalyptic number.

It is an amenable number.

23542240534577 is a deficient number, since it is larger than the sum of its proper divisors (1).

23542240534577 is an equidigital number, since it uses as much as digits as its factorization.

23542240534577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224000, while the sum is 53.

The spelling of 23542240534577 in words is "twenty-three trillion, five hundred forty-two billion, two hundred forty million, five hundred thirty-four thousand, five hundred seventy-seven".