11623712534 has 16 divisors (see below), whose sum is σ = 20119826688. Its totient is φ = 4933225512.

The previous prime is 11623712533. The next prime is 11623712537. The reversal of 11623712534 is 43521732611.

It is a super-2 number, since 2×11623712534² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11623712494 and 11623712503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623712533) 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, 4028972 + ... + 4031855.

It is an arithmetic number, because the mean of its divisors is an integer number (1257489168).

Almost surely, 2^11623712534 is an apocalyptic number.

11623712534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11623712534 is a deficient number, since it is larger than the sum of its proper divisors (8496114154).

11623712534 is a wasteful number, since it uses less digits than its factorization.

11623712534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060939.

The product of its digits is 30240, while the sum is 35.

The spelling of 11623712534 in words is "eleven billion, six hundred twenty-three million, seven hundred twelve thousand, five hundred thirty-four".