1233130240357 has 2 divisors, whose sum is σ = 1233130240358. Its totient is φ = 1233130240356.

The previous prime is 1233130240231. The next prime is 1233130240361. The reversal of 1233130240357 is 7530420313321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 888568284321 + 344561956036 = 942639^2 + 586994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233130240357 is a prime.

It is a super-2 number, since 2×1233130240357² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233130240367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616565120178 + 616565120179.

It is an arithmetic number, because the mean of its divisors is an integer number (616565120179).

Almost surely, 2^{1233130240357} is an apocalyptic number.

It is an amenable number.

1233130240357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233130240357 is an equidigital number, since it uses as much as digits as its factorization.

1233130240357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 1233130240357 its reverse (7530420313321), we get a palindrome (8763550553678).

The spelling of 1233130240357 in words is "one trillion, two hundred thirty-three billion, one hundred thirty million, two hundred forty thousand, three hundred fifty-seven".