1010403121323 has 12 divisors (see below), whose sum is σ = 1353272726760. Its totient is φ = 670581344736.

The previous prime is 1010403121313. The next prime is 1010403121327. The reversal of 1010403121323 is 3231213040101.

It is not a de Polignac number, because 1010403121323 - 2⁸ = 1010403121067 is a prime.

It is a super-2 number, since 2×1010403121323² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1010403121323.

It is not an unprimeable number, because it can be changed into a prime (1010403121327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3237178 + ... + 3535551.

It is an arithmetic number, because the mean of its divisors is an integer number (112772727230).

Almost surely, 2^{1010403121323} is an apocalyptic number.

1010403121323 is a deficient number, since it is larger than the sum of its proper divisors (342869605437).

1010403121323 is an frugal number, since it uses more digits than its factorization.

1010403121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773178 (or 6772955 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1010403121323 its reverse (3231213040101), we get a palindrome (4241616161424).

The spelling of 1010403121323 in words is "one trillion, ten billion, four hundred three million, one hundred twenty-one thousand, three hundred twenty-three".