10423203323121 has 32 divisors (see below), whose sum is σ = 15465024817920. Its totient is φ = 6938346264192.

The previous prime is 10423203323119. The next prime is 10423203323147. The reversal of 10423203323121 is 12132330232401.

10423203323121 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 320 + 3 + 323 + 12 + 1 = 666.

It is not a de Polignac number, because 10423203323121 - 2¹ = 10423203323119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10423203323101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137520391 + ... + 137596163.

It is an arithmetic number, because the mean of its divisors is an integer number (483282025560).

Almost surely, 2^{10423203323121} is an apocalyptic number.

It is an amenable number.

10423203323121 is a deficient number, since it is larger than the sum of its proper divisors (5041821494799).

10423203323121 is an equidigital number, since it uses as much as digits as its factorization.

10423203323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83382 (or 83376 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 10423203323121 its reverse (12132330232401), we get a palindrome (22555533555522).

The spelling of 10423203323121 in words is "ten trillion, four hundred twenty-three billion, two hundred three million, three hundred twenty-three thousand, one hundred twenty-one".