1232711993 has 4 divisors (see below), whose sum is σ = 1272476928. Its totient is φ = 1192947060.

The previous prime is 1232711983. The next prime is 1232711999. The reversal of 1232711993 is 3991172321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232711993 - 2⁶ = 1232711929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232711999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19882421 + ... + 19882482.

It is an arithmetic number, because the mean of its divisors is an integer number (318119232).

Almost surely, 2^1232711993 is an apocalyptic number.

It is an amenable number.

1232711993 is a deficient number, since it is larger than the sum of its proper divisors (39764935).

1232711993 is an equidigital number, since it uses as much as digits as its factorization.

1232711993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39764934.

The product of its digits is 20412, while the sum is 38.

The square root of 1232711993 is about 35109.9984762176. The cubic root of 1232711993 is about 1072.2281553925.

The spelling of 1232711993 in words is "one billion, two hundred thirty-two million, seven hundred eleven thousand, nine hundred ninety-three".