1123040013432 has 64 divisors (see below), whose sum is σ = 2955672883200. Its totient is φ = 354607683840.

The previous prime is 1123040013371. The next prime is 1123040013461. The reversal of 1123040013432 is 2343100403211.

It is a happy number.

It is a super-2 number, since 2×1123040013432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4488828 + ... + 4732404.

It is an arithmetic number, because the mean of its divisors is an integer number (46182388800).

Almost surely, 2^{1123040013432} is an apocalyptic number.

1123040013432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123040013432 is an abundant number, since it is smaller than the sum of its proper divisors (1832632869768).

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

1123040013432 is a wasteful number, since it uses less digits than its factorization.

1123040013432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253716 (or 253712 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1123040013432 its reverse (2343100403211), we get a palindrome (3466140416643).

The spelling of 1123040013432 in words is "one trillion, one hundred twenty-three billion, forty million, thirteen thousand, four hundred thirty-two".