133646570023 has 2 divisors, whose sum is σ = 133646570024. Its totient is φ = 133646570022.

The previous prime is 133646570009. The next prime is 133646570053. The reversal of 133646570023 is 320075646331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133646570023 - 2¹³ = 133646561831 is a prime.

It is a super-2 number, since 2×133646570023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133646570053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66823285011 + 66823285012.

It is an arithmetic number, because the mean of its divisors is an integer number (66823285012).

Almost surely, 2^133646570023 is an apocalyptic number.

133646570023 is a deficient number, since it is larger than the sum of its proper divisors (1).

133646570023 is an equidigital number, since it uses as much as digits as its factorization.

133646570023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 133646570023 in words is "one hundred thirty-three billion, six hundred forty-six million, five hundred seventy thousand, twenty-three".