1233400313 has 2 divisors, whose sum is σ = 1233400314. Its totient is φ = 1233400312.

The previous prime is 1233400283. The next prime is 1233400319. The reversal of 1233400313 is 3130043321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117364329 + 116035984 = 33427^2 + 10772^2 .

It is an emirp because it is prime and its reverse (3130043321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1233400313 - 2⁸ = 1233400057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233400319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616700156 + 616700157.

It is an arithmetic number, because the mean of its divisors is an integer number (616700157).

Almost surely, 2^1233400313 is an apocalyptic number.

It is an amenable number.

1233400313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233400313 is an equidigital number, since it uses as much as digits as its factorization.

1233400313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1233400313 is about 35119.7994441882. The cubic root of 1233400313 is about 1072.4276880118.

Adding to 1233400313 its reverse (3130043321), we get a palindrome (4363443634).

The spelling of 1233400313 in words is "one billion, two hundred thirty-three million, four hundred thousand, three hundred thirteen".