1353023242 has 4 divisors (see below), whose sum is σ = 2029534866. Its totient is φ = 676511620.

The previous prime is 1353023197. The next prime is 1353023261. The reversal of 1353023242 is 2423203531.

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

It can be written as a sum of positive squares in only one way, i.e., 751253281 + 601769961 = 27409^2 + 24531^2 .

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338255809 + ... + 338255812.

Almost surely, 2^1353023242 is an apocalyptic number.

1353023242 is a deficient number, since it is larger than the sum of its proper divisors (676511624).

1353023242 is an equidigital number, since it uses as much as digits as its factorization.

1353023242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676511623.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1353023242 is about 36783.4642468596. The cubic root of 1353023242 is about 1106.0338507036.

Adding to 1353023242 its reverse (2423203531), we get a palindrome (3776226773).

The spelling of 1353023242 in words is "one billion, three hundred fifty-three million, twenty-three thousand, two hundred forty-two".