123145542233 has 8 divisors (see below), whose sum is σ = 140740292352. Its totient is φ = 105551424576.

The previous prime is 123145542211. The next prime is 123145542271. The reversal of 123145542233 is 332245541321.

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 123145542233 - 2¹⁰ = 123145541209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123145542193 and 123145542202.

It is not an unprimeable number, because it can be changed into a prime (123145547233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382241 + ... + 626417.

It is an arithmetic number, because the mean of its divisors is an integer number (17592536544).

Almost surely, 2^123145542233 is an apocalyptic number.

It is an amenable number.

123145542233 is a deficient number, since it is larger than the sum of its proper divisors (17594750119).

123145542233 is an equidigital number, since it uses as much as digits as its factorization.

123145542233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316231.

The product of its digits is 86400, while the sum is 35.

The spelling of 123145542233 in words is "one hundred twenty-three billion, one hundred forty-five million, five hundred forty-two thousand, two hundred thirty-three".