1448023391 has 2 divisors, whose sum is σ = 1448023392. Its totient is φ = 1448023390.

The previous prime is 1448023289. The next prime is 1448023411. The reversal of 1448023391 is 1933208441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1448023391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448023891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724011695 + 724011696.

It is an arithmetic number, because the mean of its divisors is an integer number (724011696).

Almost surely, 2^1448023391 is an apocalyptic number.

1448023391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448023391 is an equidigital number, since it uses as much as digits as its factorization.

1448023391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1448023391 is about 38052.9025305561. The cubic root of 1448023391 is about 1131.3366569718.

The spelling of 1448023391 in words is "one billion, four hundred forty-eight million, twenty-three thousand, three hundred ninety-one".