23311032123 has 8 divisors (see below), whose sum is σ = 31087872000. Its totient is φ = 15537440168.

The previous prime is 23311032071. The next prime is 23311032127. The reversal of 23311032123 is 32123011332.

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 23311032123 - 2¹⁶ = 23310966587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23311032123.

It is not an unprimeable number, because it can be changed into a prime (23311032127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795183 + ... + 823976.

It is an arithmetic number, because the mean of its divisors is an integer number (3885984000).

Almost surely, 2^23311032123 is an apocalyptic number.

23311032123 is a deficient number, since it is larger than the sum of its proper divisors (7776839877).

23311032123 is a wasteful number, since it uses less digits than its factorization.

23311032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623961.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23311032123 its reverse (32123011332), we get a palindrome (55434043455).

The spelling of 23311032123 in words is "twenty-three billion, three hundred eleven million, thirty-two thousand, one hundred twenty-three".