1232681293 has 2 divisors, whose sum is σ = 1232681294. Its totient is φ = 1232681292.

The previous prime is 1232681291. The next prime is 1232681309. The reversal of 1232681293 is 3921862321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1029960649 + 202720644 = 32093^2 + 14238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232681293 - 2¹ = 1232681291 is a prime.

It is a super-2 number, since 2×1232681293² = 3039006340224303698, which contains 22 as substring.

Together with 1232681291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232681291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616340646 + 616340647.

It is an arithmetic number, because the mean of its divisors is an integer number (616340647).

Almost surely, 2^1232681293 is an apocalyptic number.

It is an amenable number.

1232681293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232681293 is an equidigital number, since it uses as much as digits as its factorization.

1232681293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 1232681293 is about 35109.5612760969. The cubic root of 1232681293 is about 1072.2192542385.

The spelling of 1232681293 in words is "one billion, two hundred thirty-two million, six hundred eighty-one thousand, two hundred ninety-three".