723047047 has 2 divisors, whose sum is σ = 723047048. Its totient is φ = 723047046.

The previous prime is 723046997. The next prime is 723047057. The reversal of 723047047 is 740740327.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723047047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723047057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361523523 + 361523524.

It is an arithmetic number, because the mean of its divisors is an integer number (361523524).

Almost surely, 2^723047047 is an apocalyptic number.

723047047 is a deficient number, since it is larger than the sum of its proper divisors (1).

723047047 is an equidigital number, since it uses as much as digits as its factorization.

723047047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 723047047 is about 26889.5341536442. The cubic root of 723047047 is about 897.5435264671.

The spelling of 723047047 in words is "seven hundred twenty-three million, forty-seven thousand, forty-seven".