231004154243 has 2 divisors, whose sum is σ = 231004154244. Its totient is φ = 231004154242.

The previous prime is 231004154233. The next prime is 231004154273. The reversal of 231004154243 is 342451400132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231004154243 - 2¹² = 231004150147 is a prime.

It is not a weakly prime, because it can be changed into another prime (231004154233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115502077121 + 115502077122.

It is an arithmetic number, because the mean of its divisors is an integer number (115502077122).

Almost surely, 2^231004154243 is an apocalyptic number.

231004154243 is a deficient number, since it is larger than the sum of its proper divisors (1).

231004154243 is an equidigital number, since it uses as much as digits as its factorization.

231004154243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 231004154243 its reverse (342451400132), we get a palindrome (573455554375).

The spelling of 231004154243 in words is "two hundred thirty-one billion, four million, one hundred fifty-four thousand, two hundred forty-three".