121031323 has 16 divisors (see below), whose sum is σ = 141796800. Its totient is φ = 103262208.

The previous prime is 121031321. The next prime is 121031327. The reversal of 121031323 is 323130121.

It is not a de Polignac number, because 121031323 - 2¹ = 121031321 is a prime.

It is a super-2 number, since 2×121031323² = 29297162294260658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121031297 and 121031306.

It is not an unprimeable number, because it can be changed into a prime (121031321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87465 + ... + 88837.

It is an arithmetic number, because the mean of its divisors is an integer number (8862300).

Almost surely, 2^121031323 is an apocalyptic number.

121031323 is a deficient number, since it is larger than the sum of its proper divisors (20765477).

121031323 is an equidigital number, since it uses as much as digits as its factorization.

121031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 121031323 is about 11001.4236805970. The cubic root of 121031323 is about 494.6514200633.

Adding to 121031323 its reverse (323130121), we get a palindrome (444161444).

The spelling of 121031323 in words is "one hundred twenty-one million, thirty-one thousand, three hundred twenty-three".