133023001 has 2 divisors, whose sum is σ = 133023002. Its totient is φ = 133023000.

The previous prime is 133022963. The next prime is 133023017. The reversal of 133023001 is 100320331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88454025 + 44568976 = 9405^2 + 6676^2 .

It is a cyclic number.

It is not a de Polignac number, because 133023001 - 2¹³ = 133014809 is a prime.

It is not a weakly prime, because it can be changed into another prime (133023041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66511500 + 66511501.

It is an arithmetic number, because the mean of its divisors is an integer number (66511501).

Almost surely, 2^133023001 is an apocalyptic number.

It is an amenable number.

133023001 is a deficient number, since it is larger than the sum of its proper divisors (1).

133023001 is an equidigital number, since it uses as much as digits as its factorization.

133023001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 133023001 is about 11533.5597713802. The cubic root of 133023001 is about 510.4762960391.

Adding to 133023001 its reverse (100320331), we get a palindrome (233343332).

The spelling of 133023001 in words is "one hundred thirty-three million, twenty-three thousand, one".