1113430253 has 8 divisors (see below), whose sum is σ = 1251212928. Its totient is φ = 983095344.

The previous prime is 1113430247. The next prime is 1113430277. The reversal of 1113430253 is 3520343111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113430253 - 2¹² = 1113426157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113430223) 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, 1861625 + ... + 1862222.

It is an arithmetic number, because the mean of its divisors is an integer number (156401616).

Almost surely, 2^1113430253 is an apocalyptic number.

1113430253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1113430253 is a deficient number, since it is larger than the sum of its proper divisors (137782675).

1113430253 is a wasteful number, since it uses less digits than its factorization.

1113430253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723883.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1113430253 is about 33368.1023284214. The cubic root of 1113430253 is about 1036.4642791782.

Adding to 1113430253 its reverse (3520343111), we get a palindrome (4633773364).

The spelling of 1113430253 in words is "one billion, one hundred thirteen million, four hundred thirty thousand, two hundred fifty-three".