1133709423 has 48 divisors (see below), whose sum is σ = 2019277440. Its totient is φ = 557928000.

The previous prime is 1133709407. The next prime is 1133709427. The reversal of 1133709423 is 3249073311.

It is not a de Polignac number, because 1133709423 - 2⁴ = 1133709407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133709427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12273 + ... + 49173.

It is an arithmetic number, because the mean of its divisors is an integer number (42068280).

Almost surely, 2^1133709423 is an apocalyptic number.

1133709423 is a deficient number, since it is larger than the sum of its proper divisors (885568017).

1133709423 is a wasteful number, since it uses less digits than its factorization.

1133709423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36948 (or 36941 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1133709423 is about 33670.6017617743. The cubic root of 1133709423 is about 1042.7189158928.

The spelling of 1133709423 in words is "one billion, one hundred thirty-three million, seven hundred nine thousand, four hundred twenty-three".