1323153029055 has 32 divisors (see below), whose sum is σ = 2487157585920. Its totient is φ = 592180375680.

The previous prime is 1323153028973. The next prime is 1323153029083. The reversal of 1323153029055 is 5509203513231.

It is a happy number.

It is not a de Polignac number, because 1323153029055 - 2⁷ = 1323153028927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308425135 + ... + 308429424.

It is an arithmetic number, because the mean of its divisors is an integer number (77723674560).

Almost surely, 2^{1323153029055} is an apocalyptic number.

1323153029055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323153029055 is a deficient number, since it is larger than the sum of its proper divisors (1164004556865).

1323153029055 is a wasteful number, since it uses less digits than its factorization.

1323153029055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616854591.

The product of its (nonzero) digits is 121500, while the sum is 39.

The spelling of 1323153029055 in words is "one trillion, three hundred twenty-three billion, one hundred fifty-three million, twenty-nine thousand, fifty-five".