1123423213310 has 64 divisors (see below), whose sum is σ = 2148034775040. Its totient is φ = 421570437120.

The previous prime is 1123423213303. The next prime is 1123423213331. The reversal of 1123423213310 is 133123243211.

It is a happy number.

It is a super-2 number, since 2×1123423213310² (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 1123423213310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79068227 + ... + 79082433.

It is an arithmetic number, because the mean of its divisors is an integer number (33563043360).

Almost surely, 2^{1123423213310} is an apocalyptic number.

1123423213310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123423213310 is a deficient number, since it is larger than the sum of its proper divisors (1024611561730).

1123423213310 is a wasteful number, since it uses less digits than its factorization.

1123423213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15701.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1123423213310 its reverse (133123243211), we get a palindrome (1256546456521).

The spelling of 1123423213310 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-three million, two hundred thirteen thousand, three hundred ten".