11420123023 has 8 divisors (see below), whose sum is σ = 11468160000. Its totient is φ = 11372121528.

The previous prime is 11420123017. The next prime is 11420123053. The reversal of 11420123023 is 32032102411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11420123023 - 2¹⁷ = 11419991951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420123003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781498 + ... + 795976.

It is an arithmetic number, because the mean of its divisors is an integer number (1433520000).

Almost surely, 2^11420123023 is an apocalyptic number.

11420123023 is a deficient number, since it is larger than the sum of its proper divisors (48036977).

11420123023 is a wasteful number, since it uses less digits than its factorization.

11420123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17741.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11420123023 its reverse (32032102411), we get a palindrome (43452225434).

The spelling of 11420123023 in words is "eleven billion, four hundred twenty million, one hundred twenty-three thousand, twenty-three".