1223535110040 has 96 divisors (see below), whose sum is σ = 3980128529520. Its totient is φ = 325977410304.

The previous prime is 1223535110033. The next prime is 1223535110051. The reversal of 1223535110040 is 400115353221.

1223535110040 is a `hidden beast` number, since 1 + 2 + 23 + 535 + 1 + 100 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1223535109986 and 1223535110013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161282 + ... + 1948241.

Almost surely, 2^{1223535110040} is an apocalyptic number.

1223535110040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223535110040 is an abundant number, since it is smaller than the sum of its proper divisors (2756593419480).

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

1223535110040 is a wasteful number, since it uses less digits than its factorization.

1223535110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110633 (or 3110626 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1223535110040 in words is "one trillion, two hundred twenty-three billion, five hundred thirty-five million, one hundred ten thousand, forty".