1373928233 has 2 divisors, whose sum is σ = 1373928234. Its totient is φ = 1373928232.

The previous prime is 1373928187. The next prime is 1373928271. The reversal of 1373928233 is 3328293731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321104409 + 52823824 = 36347^2 + 7268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373928233 - 2²⁸ = 1105492777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1373928293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686964116 + 686964117.

It is an arithmetic number, because the mean of its divisors is an integer number (686964117).

Almost surely, 2^1373928233 is an apocalyptic number.

It is an amenable number.

1373928233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373928233 is an equidigital number, since it uses as much as digits as its factorization.

1373928233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 1373928233 is about 37066.5379149443. The cubic root of 1373928233 is about 1111.7010503698.

The spelling of 1373928233 in words is "one billion, three hundred seventy-three million, nine hundred twenty-eight thousand, two hundred thirty-three".