1283080523 has 4 divisors (see below), whose sum is σ = 1283979840. Its totient is φ = 1282181208.

The previous prime is 1283080489. The next prime is 1283080567. The reversal of 1283080523 is 3250803821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1283080523 - 2¹⁶ = 1283014987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283080523.

It is not an unprimeable number, because it can be changed into a prime (1283080223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447515 + ... + 450372.

It is an arithmetic number, because the mean of its divisors is an integer number (320994960).

Almost surely, 2^1283080523 is an apocalyptic number.

1283080523 is a deficient number, since it is larger than the sum of its proper divisors (899317).

1283080523 is an equidigital number, since it uses as much as digits as its factorization.

1283080523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899316.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1283080523 is about 35820.1133861969. The cubic root of 1283080523 is about 1086.6373723498.

The spelling of 1283080523 in words is "one billion, two hundred eighty-three million, eighty thousand, five hundred twenty-three".