1230133123 has 8 divisors (see below), whose sum is σ = 1253322000. Its totient is φ = 1207143648.

The previous prime is 1230133109. The next prime is 1230133139. The reversal of 1230133123 is 3213310321.

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 1230133123 - 2⁹ = 1230132611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230133123.

It is not an unprimeable number, because it can be changed into a prime (1230133193) 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, 37368 + ... + 62101.

It is an arithmetic number, because the mean of its divisors is an integer number (156665250).

Almost surely, 2^1230133123 is an apocalyptic number.

1230133123 is a deficient number, since it is larger than the sum of its proper divisors (23188877).

1230133123 is an equidigital number, since it uses as much as digits as its factorization.

1230133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99701.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1230133123 is about 35073.2536699976. The cubic root of 1230133123 is about 1071.4799223549.

Adding to 1230133123 its reverse (3213310321), we get a palindrome (4443443444).

The spelling of 1230133123 in words is "one billion, two hundred thirty million, one hundred thirty-three thousand, one hundred twenty-three".