1123734375534 has 16 divisors (see below), whose sum is σ = 2252474254800. Its totient is φ = 373743874560.

The previous prime is 1123734375529. The next prime is 1123734375539. The reversal of 1123734375534 is 4355734373211.

It is an interprime number because it is at equal distance from previous prime (1123734375529) and next prime (1123734375539).

It is a super-3 number, since 3×1123734375534³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123734375539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208559737 + ... + 208565124.

It is an arithmetic number, because the mean of its divisors is an integer number (140779640925).

Almost surely, 2^{1123734375534} is an apocalyptic number.

1123734375534 is an abundant number, since it is smaller than the sum of its proper divisors (1128739879266).

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

1123734375534 is a wasteful number, since it uses less digits than its factorization.

1123734375534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417125315.

The product of its digits is 3175200, while the sum is 48.

The spelling of 1123734375534 in words is "one trillion, one hundred twenty-three billion, seven hundred thirty-four million, three hundred seventy-five thousand, five hundred thirty-four".