1403233123 has 4 divisors (see below), whose sum is σ = 1403379648. Its totient is φ = 1403086600.

The previous prime is 1403233099. The next prime is 1403233171. The reversal of 1403233123 is 3213323041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213323041 = 71 ⋅45258071.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1403233123 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403233094 and 1403233103.

It is not an unprimeable number, because it can be changed into a prime (1403233423) 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, 57811 + ... + 78412.

It is an arithmetic number, because the mean of its divisors is an integer number (350844912).

Almost surely, 2^1403233123 is an apocalyptic number.

1403233123 is a deficient number, since it is larger than the sum of its proper divisors (146525).

1403233123 is a wasteful number, since it uses less digits than its factorization.

1403233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146524.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1403233123 is about 37459.7533761236. The cubic root of 1403233123 is about 1119.5494369121.

Adding to 1403233123 its reverse (3213323041), we get a palindrome (4616556164).

The spelling of 1403233123 in words is "one billion, four hundred three million, two hundred thirty-three thousand, one hundred twenty-three".