1233404012323 has 4 divisors (see below), whose sum is σ = 1409604585520. Its totient is φ = 1057203439128.

The previous prime is 1233404012299. The next prime is 1233404012329. The reversal of 1233404012323 is 3232104043321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1233404012323 - 2⁹ = 1233404011811 is a prime.

It is a super-2 number, since 2×1233404012323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233404012291 and 1233404012300.

It is not an unprimeable number, because it can be changed into a prime (1233404012329) 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, 88100286588 + ... + 88100286601.

It is an arithmetic number, because the mean of its divisors is an integer number (352401146380).

Almost surely, 2^{1233404012323} is an apocalyptic number.

1233404012323 is a deficient number, since it is larger than the sum of its proper divisors (176200573197).

1233404012323 is an equidigital number, since it uses as much as digits as its factorization.

1233404012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176200573196.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1233404012323 its reverse (3232104043321), we get a palindrome (4465508055644).

The spelling of 1233404012323 in words is "one trillion, two hundred thirty-three billion, four hundred four million, twelve thousand, three hundred twenty-three".