1330023293 has 2 divisors, whose sum is σ = 1330023294. Its totient is φ = 1330023292.

The previous prime is 1330023197. The next prime is 1330023301. The reversal of 1330023293 is 3923200331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316020729 + 14002564 = 36277^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330023293 - 2¹⁶ = 1329957757 is a prime.

It is a super-3 number, since 3×1330023293³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330023193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665011646 + 665011647.

It is an arithmetic number, because the mean of its divisors is an integer number (665011647).

Almost surely, 2^1330023293 is an apocalyptic number.

It is an amenable number.

1330023293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330023293 is an equidigital number, since it uses as much as digits as its factorization.

1330023293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 1330023293 is about 36469.4844082008. The cubic root of 1330023293 is about 1099.7308688692.

The spelling of 1330023293 in words is "one billion, three hundred thirty million, twenty-three thousand, two hundred ninety-three".