11342811623 has 32 divisors (see below), whose sum is σ = 13517038080. Its totient is φ = 9382400640.

The previous prime is 11342811617. The next prime is 11342811659. The reversal of 11342811623 is 32611824311.

It is a cyclic number.

It is not a de Polignac number, because 11342811623 - 2⁴ = 11342811607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11342811623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342811323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7274918 + ... + 7276476.

It is an arithmetic number, because the mean of its divisors is an integer number (422407440).

Almost surely, 2^11342811623 is an apocalyptic number.

11342811623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11342811623 is a deficient number, since it is larger than the sum of its proper divisors (2174226457).

11342811623 is a wasteful number, since it uses less digits than its factorization.

11342811623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279.

The product of its digits is 6912, while the sum is 32.

The spelling of 11342811623 in words is "eleven billion, three hundred forty-two million, eight hundred eleven thousand, six hundred twenty-three".