1133123123023 has 4 divisors (see below), whose sum is σ = 1136743325008. Its totient is φ = 1129502921040.

The previous prime is 1133123122991. The next prime is 1133123123029. The reversal of 1133123123023 is 3203213213311.

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 1133123123023 - 2⁵ = 1133123122991 is a prime.

It is a super-3 number, since 3×1133123123023³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133123123029) 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, 1810100523 + ... + 1810101148.

It is an arithmetic number, because the mean of its divisors is an integer number (284185831252).

Almost surely, 2^{1133123123023} is an apocalyptic number.

1133123123023 is a deficient number, since it is larger than the sum of its proper divisors (3620201985).

1133123123023 is an equidigital number, since it uses as much as digits as its factorization.

1133123123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620201984.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1133123123023 its reverse (3203213213311), we get a palindrome (4336336336334).

The spelling of 1133123123023 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-three million, one hundred twenty-three thousand, twenty-three".