1231454530043 has 2 divisors, whose sum is σ = 1231454530044. Its totient is φ = 1231454530042.

The previous prime is 1231454530003. The next prime is 1231454530051. The reversal of 1231454530043 is 3400354541321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231454530043 - 2²⁴ = 1231437752827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231454529985 and 1231454530012.

It is not a weakly prime, because it can be changed into another prime (1231454530003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615727265021 + 615727265022.

It is an arithmetic number, because the mean of its divisors is an integer number (615727265022).

Almost surely, 2^{1231454530043} is an apocalyptic number.

1231454530043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231454530043 is an equidigital number, since it uses as much as digits as its factorization.

1231454530043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 1231454530043 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-four million, five hundred thirty thousand, forty-three".