1122550423 has 4 divisors (see below), whose sum is σ = 1123525168. Its totient is φ = 1121575680.

The previous prime is 1122550417. The next prime is 1122550427. The reversal of 1122550423 is 3240552211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122550423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122550427) 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, 485643 + ... + 487948.

It is an arithmetic number, because the mean of its divisors is an integer number (280881292).

Almost surely, 2^1122550423 is an apocalyptic number.

1122550423 is a deficient number, since it is larger than the sum of its proper divisors (974745).

1122550423 is an equidigital number, since it uses as much as digits as its factorization.

1122550423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974744.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1122550423 is about 33504.4836253299. The cubic root of 1122550423 is about 1039.2864999465.

The spelling of 1122550423 in words is "one billion, one hundred twenty-two million, five hundred fifty thousand, four hundred twenty-three".