431333003923 has 2 divisors, whose sum is σ = 431333003924. Its totient is φ = 431333003922.

The previous prime is 431333003879. The next prime is 431333003957. The reversal of 431333003923 is 329300333134.

It is an a-pointer prime, because the next prime (431333003957) can be obtained adding 431333003923 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431333003923 is a prime.

It is not a weakly prime, because it can be changed into another prime (431333003993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215666501961 + 215666501962.

It is an arithmetic number, because the mean of its divisors is an integer number (215666501962).

Almost surely, 2^431333003923 is an apocalyptic number.

431333003923 is a deficient number, since it is larger than the sum of its proper divisors (1).

431333003923 is an equidigital number, since it uses as much as digits as its factorization.

431333003923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 34.

The spelling of 431333003923 in words is "four hundred thirty-one billion, three hundred thirty-three million, three thousand, nine hundred twenty-three".