1234493903 has 2 divisors, whose sum is σ = 1234493904. Its totient is φ = 1234493902.

The previous prime is 1234493899. The next prime is 1234493917. The reversal of 1234493903 is 3093944321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234493903 - 2² = 1234493899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234493933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617246951 + 617246952.

It is an arithmetic number, because the mean of its divisors is an integer number (617246952).

Almost surely, 2^1234493903 is an apocalyptic number.

1234493903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234493903 is an equidigital number, since it uses as much as digits as its factorization.

1234493903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 1234493903 is about 35135.3654171975. The cubic root of 1234493903 is about 1072.7445491139.

The spelling of 1234493903 in words is "one billion, two hundred thirty-four million, four hundred ninety-three thousand, nine hundred three".