1445354723 has 2 divisors, whose sum is σ = 1445354724. Its totient is φ = 1445354722.

The previous prime is 1445354641. The next prime is 1445354731. The reversal of 1445354723 is 3274535441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445354723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445354783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722677361 + 722677362.

It is an arithmetic number, because the mean of its divisors is an integer number (722677362).

Almost surely, 2^1445354723 is an apocalyptic number.

1445354723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445354723 is an equidigital number, since it uses as much as digits as its factorization.

1445354723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 38.

The square root of 1445354723 is about 38017.8211237835. The cubic root of 1445354723 is about 1130.6412219399.

The spelling of 1445354723 in words is "one billion, four hundred forty-five million, three hundred fifty-four thousand, seven hundred twenty-three".