1353206523 has 8 divisors (see below), whose sum is σ = 1804518736. Its totient is φ = 902016000.

The previous prime is 1353206489. The next prime is 1353206549. The reversal of 1353206523 is 3256023531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1353206523 - 2²¹ = 1351109371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353201523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178 + ... + 52023.

It is an arithmetic number, because the mean of its divisors is an integer number (225564842).

Almost surely, 2^1353206523 is an apocalyptic number.

1353206523 is a deficient number, since it is larger than the sum of its proper divisors (451312213).

1353206523 is an equidigital number, since it uses as much as digits as its factorization.

1353206523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60845.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 1353206523 is about 36785.9555129400. The cubic root of 1353206523 is about 1106.0837896924.

The spelling of 1353206523 in words is "one billion, three hundred fifty-three million, two hundred six thousand, five hundred twenty-three".