11523623142 has 8 divisors (see below), whose sum is σ = 23047246296. Its totient is φ = 3841207712.

The previous prime is 11523623107. The next prime is 11523623147. The reversal of 11523623142 is 24132632511.

It is a sphenic number, since it is the product of 3 distinct primes.

11523623142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523623147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960301923 + ... + 960301934.

It is an arithmetic number, because the mean of its divisors is an integer number (2880905787).

Almost surely, 2^11523623142 is an apocalyptic number.

11523623142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11523623142 is a wasteful number, since it uses less digits than its factorization.

11523623142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920603862.

The product of its digits is 8640, while the sum is 30.

The spelling of 11523623142 in words is "eleven billion, five hundred twenty-three million, six hundred twenty-three thousand, one hundred forty-two".