11401235442423 has 32 divisors (see below), whose sum is σ = 17781072698880. Its totient is φ = 7206013584000.

The previous prime is 11401235442419. The next prime is 11401235442433. The reversal of 11401235442423 is 32424453210411.

11401235442423 is a `hidden beast` number, since 1 + 1 + 40 + 123 + 54 + 424 + 23 = 666.

It is not a de Polignac number, because 11401235442423 - 2² = 11401235442419 is a prime.

It is a super-2 number, since 2×11401235442423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401235442433) 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, 81166453 + ... + 81306798.

It is an arithmetic number, because the mean of its divisors is an integer number (555658521840).

Almost surely, 2^{11401235442423} is an apocalyptic number.

11401235442423 is a deficient number, since it is larger than the sum of its proper divisors (6379837256457).

11401235442423 is a wasteful number, since it uses less digits than its factorization.

11401235442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162473396 (or 162473390 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 11401235442423 its reverse (32424453210411), we get a palindrome (43825688652834).

The spelling of 11401235442423 in words is "eleven trillion, four hundred one billion, two hundred thirty-five million, four hundred forty-two thousand, four hundred twenty-three".