23401212123 has 8 divisors (see below), whose sum is σ = 31204099600. Its totient is φ = 15599566368.

The previous prime is 23401212103. The next prime is 23401212139. The reversal of 23401212123 is 32121210432.

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

It is not a de Polignac number, because 23401212123 - 2¹² = 23401208027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23401212123.

It is not an unprimeable number, because it can be changed into a prime (23401212103) 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, 265528 + ... + 342501.

It is an arithmetic number, because the mean of its divisors is an integer number (3900512450).

Almost surely, 2^23401212123 is an apocalyptic number.

23401212123 is a deficient number, since it is larger than the sum of its proper divisors (7802887477).

23401212123 is a wasteful number, since it uses less digits than its factorization.

23401212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620861.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23401212123 its reverse (32121210432), we get a palindrome (55522422555).

The spelling of 23401212123 in words is "twenty-three billion, four hundred one million, two hundred twelve thousand, one hundred twenty-three".