123032212151553 has 48 divisors (see below), whose sum is σ = 182230163361792. Its totient is φ = 79940750400000.

The previous prime is 123032212151531. The next prime is 123032212151593. The reversal of 123032212151553 is 355151212230321.

123032212151553 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 32 + 2 + 1 + 21 + 51 + 553 = 666.

It is not a de Polignac number, because 123032212151553 - 2¹⁴ = 123032212135169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123032212151593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4311308301 + ... + 4311336837.

It is an arithmetic number, because the mean of its divisors is an integer number (3796461736704).

Almost surely, 2^{123032212151553} is an apocalyptic number.

It is an amenable number.

123032212151553 is a deficient number, since it is larger than the sum of its proper divisors (59197951210239).

123032212151553 is a wasteful number, since it uses less digits than its factorization.

123032212151553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39886 (or 39883 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 123032212151553 its reverse (355151212230321), we get a palindrome (478183424381874).

The spelling of 123032212151553 in words is "one hundred twenty-three trillion, thirty-two billion, two hundred twelve million, one hundred fifty-one thousand, five hundred fifty-three".