1213023032 has 32 divisors (see below), whose sum is σ = 2593458000. Its totient is φ = 526923264.

The previous prime is 1213022999. The next prime is 1213023073. The reversal of 1213023032 is 2303203121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1213023032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341282 + ... + 344817.

Almost surely, 2^1213023032 is an apocalyptic number.

It is an amenable number.

1213023032 is an abundant number, since it is smaller than the sum of its proper divisors (1380434968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213023032 is a wasteful number, since it uses less digits than its factorization.

1213023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686135 (or 686131 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1213023032 is about 34828.4801850440. The cubic root of 1213023032 is about 1066.4889229007.

Adding to 1213023032 its reverse (2303203121), we get a palindrome (3516226153).

The spelling of 1213023032 in words is "one billion, two hundred thirteen million, twenty-three thousand, thirty-two".