23466919147957 has 2 divisors, whose sum is σ = 23466919147958. Its totient is φ = 23466919147956.

The previous prime is 23466919147933. The next prime is 23466919148009. The reversal of 23466919147957 is 75974191966432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23318140000996 + 148779146961 = 4828886^2 + 385719^2 .

It is a cyclic number.

It is not a de Polignac number, because 23466919147957 - 2²³ = 23466910759349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23466919147957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23466919144957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11733459573978 + 11733459573979.

It is an arithmetic number, because the mean of its divisors is an integer number (11733459573979).

Almost surely, 2^{23466919147957} is an apocalyptic number.

It is an amenable number.

23466919147957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23466919147957 is an equidigital number, since it uses as much as digits as its factorization.

23466919147957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617258880, while the sum is 73.

The spelling of 23466919147957 in words is "twenty-three trillion, four hundred sixty-six billion, nine hundred nineteen million, one hundred forty-seven thousand, nine hundred fifty-seven".