23011012123 has 8 divisors (see below), whose sum is σ = 25104041280. Its totient is φ = 20918169480.

The previous prime is 23011012097. The next prime is 23011012169. The reversal of 23011012123 is 32121011032.

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 23011012123 - 2⁵ = 23011012091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23011012097 and 23011012106.

It is not an unprimeable number, because it can be changed into a prime (23011012183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385536 + ... + 441202.

It is an arithmetic number, because the mean of its divisors is an integer number (3138005160).

Almost surely, 2^23011012123 is an apocalyptic number.

23011012123 is a deficient number, since it is larger than the sum of its proper divisors (2093029157).

23011012123 is a wasteful number, since it uses less digits than its factorization.

23011012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93257.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23011012123 its reverse (32121011032), we get a palindrome (55132023155).

The spelling of 23011012123 in words is "twenty-three billion, eleven million, twelve thousand, one hundred twenty-three".