23337664772473 has 2 divisors, whose sum is σ = 23337664772474. Its totient is φ = 23337664772472.

The previous prime is 23337664772371. The next prime is 23337664772549. The reversal of 23337664772473 is 37427746673332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23319897748624 + 17767023849 = 4829068^2 + 133293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23337664772473 is a prime.

It is not a weakly prime, because it can be changed into another prime (23337664776473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11668832386236 + 11668832386237.

It is an arithmetic number, because the mean of its divisors is an integer number (11668832386237).

Almost surely, 2^{23337664772473} is an apocalyptic number.

It is an amenable number.

23337664772473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23337664772473 is an equidigital number, since it uses as much as digits as its factorization.

23337664772473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448084224, while the sum is 64.

The spelling of 23337664772473 in words is "twenty-three trillion, three hundred thirty-seven billion, six hundred sixty-four million, seven hundred seventy-two thousand, four hundred seventy-three".