1230453631 has 8 divisors (see below), whose sum is σ = 1364318928. Its totient is φ = 1100256000.

The previous prime is 1230453607. The next prime is 1230453641. The reversal of 1230453631 is 1363540321.

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 1230453631 - 2¹⁹ = 1229929343 is a prime.

It is a super-3 number, since 3×1230453631³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 1230453631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230453641) 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, 916210 + ... + 917551.

It is an arithmetic number, because the mean of its divisors is an integer number (170539866).

Almost surely, 2^1230453631 is an apocalyptic number.

1230453631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1230453631 is a deficient number, since it is larger than the sum of its proper divisors (133865297).

1230453631 is a wasteful number, since it uses less digits than its factorization.

1230453631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833833.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1230453631 is about 35077.8224951322. The cubic root of 1230453631 is about 1071.5729713806.

Adding to 1230453631 its reverse (1363540321), we get a palindrome (2593993952).

The spelling of 1230453631 in words is "one billion, two hundred thirty million, four hundred fifty-three thousand, six hundred thirty-one".