23123223001 has 4 divisors (see below), whose sum is σ = 23748175012. Its totient is φ = 22498270992.

The previous prime is 23123222981. The next prime is 23123223037. The reversal of 23123223001 is 10032232132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19588801600 + 3534421401 = 139960^2 + 59451^2 .

It is a cyclic number.

It is not a de Polignac number, because 23123223001 - 2⁷ = 23123222873 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 23123223001.

It is not an unprimeable number, because it can be changed into a prime (23123223601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312475950 + ... + 312476023.

It is an arithmetic number, because the mean of its divisors is an integer number (5937043753).

Almost surely, 2^23123223001 is an apocalyptic number.

It is an amenable number.

23123223001 is a deficient number, since it is larger than the sum of its proper divisors (624952011).

23123223001 is an equidigital number, since it uses as much as digits as its factorization.

23123223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624952010.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23123223001 its reverse (10032232132), we get a palindrome (33155455133).

The spelling of 23123223001 in words is "twenty-three billion, one hundred twenty-three million, two hundred twenty-three thousand, one".