1123401351 has 8 divisors (see below), whose sum is σ = 1562993280. Its totient is φ = 716371832.

The previous prime is 1123401319. The next prime is 1123401371. The reversal of 1123401351 is 1531043211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123401351 - 2⁵ = 1123401319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123401311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8140521 + ... + 8140658.

It is an arithmetic number, because the mean of its divisors is an integer number (195374160).

Almost surely, 2^1123401351 is an apocalyptic number.

1123401351 is a deficient number, since it is larger than the sum of its proper divisors (439591929).

1123401351 is a wasteful number, since it uses less digits than its factorization.

1123401351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16281205.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1123401351 is about 33517.1799380556. The cubic root of 1123401351 is about 1039.5490374094.

Adding to 1123401351 its reverse (1531043211), we get a palindrome (2654444562).

The spelling of 1123401351 in words is "one billion, one hundred twenty-three million, four hundred one thousand, three hundred fifty-one".