243413877923 has 2 divisors, whose sum is σ = 243413877924. Its totient is φ = 243413877922.

The previous prime is 243413877911. The next prime is 243413877929. The reversal of 243413877923 is 329778314342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243413877923 - 2⁴ = 243413877907 is a prime.

It is not a weakly prime, because it can be changed into another prime (243413877929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121706938961 + 121706938962.

It is an arithmetic number, because the mean of its divisors is an integer number (121706938962).

Almost surely, 2^243413877923 is an apocalyptic number.

243413877923 is a deficient number, since it is larger than the sum of its proper divisors (1).

243413877923 is an equidigital number, since it uses as much as digits as its factorization.

243413877923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The spelling of 243413877923 in words is "two hundred forty-three billion, four hundred thirteen million, eight hundred seventy-seven thousand, nine hundred twenty-three".