123000224035440 has 40 divisors (see below), whose sum is σ = 381300694510608. Its totient is φ = 32800059742720.

The previous prime is 123000224035433. The next prime is 123000224035463. The reversal of 123000224035440 is 44530422000321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×123000224035440² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 123000224035398 and 123000224035407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256250466501 + ... + 256250466980.

Almost surely, 2^{123000224035440} is an apocalyptic number.

123000224035440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123000224035440 is an abundant number, since it is smaller than the sum of its proper divisors (258300470475168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123000224035440 is a wasteful number, since it uses less digits than its factorization.

123000224035440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512500933497 (or 512500933491 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 123000224035440 its reverse (44530422000321), we get a palindrome (167530646035761).

The spelling of 123000224035440 in words is "one hundred twenty-three trillion, two hundred twenty-four million, thirty-five thousand, four hundred forty".