1123554351 has 4 divisors (see below), whose sum is σ = 1498072472. Its totient is φ = 749036232.

The previous prime is 1123554343. The next prime is 1123554373. The reversal of 1123554351 is 1534553211.

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

It is not a de Polignac number, because 1123554351 - 2³ = 1123554343 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 (1123554331) 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, 187259056 + ... + 187259061.

It is an arithmetic number, because the mean of its divisors is an integer number (374518118).

Almost surely, 2^1123554351 is an apocalyptic number.

1123554351 is a deficient number, since it is larger than the sum of its proper divisors (374518121).

1123554351 is an equidigital number, since it uses as much as digits as its factorization.

1123554351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374518120.

The product of its digits is 9000, while the sum is 30.

The square root of 1123554351 is about 33519.4622719399. The cubic root of 1123554351 is about 1039.5962285527.

The spelling of 1123554351 in words is "one billion, one hundred twenty-three million, five hundred fifty-four thousand, three hundred fifty-one".