723897103 has 2 divisors, whose sum is σ = 723897104. Its totient is φ = 723897102.

The previous prime is 723897073. The next prime is 723897113. The reversal of 723897103 is 301798327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723897103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723897113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361948551 + 361948552.

It is an arithmetic number, because the mean of its divisors is an integer number (361948552).

Almost surely, 2^723897103 is an apocalyptic number.

723897103 is a deficient number, since it is larger than the sum of its proper divisors (1).

723897103 is an equidigital number, since it uses as much as digits as its factorization.

723897103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 723897103 is about 26905.3359577612. The cubic root of 723897103 is about 897.8951234409.

The spelling of 723897103 in words is "seven hundred twenty-three million, eight hundred ninety-seven thousand, one hundred three".