23010002123 has 4 divisors (see below), whose sum is σ = 23752260288. Its totient is φ = 22267743960.

The previous prime is 23010002087. The next prime is 23010002131. The reversal of 23010002123 is 32120001032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23010002123 - 2⁸ = 23010001867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23010002098 and 23010002107.

It is not an unprimeable number, because it can be changed into a prime (23010002423) 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, 371129036 + ... + 371129097.

It is an arithmetic number, because the mean of its divisors is an integer number (5938065072).

Almost surely, 2^23010002123 is an apocalyptic number.

23010002123 is a deficient number, since it is larger than the sum of its proper divisors (742258165).

23010002123 is an equidigital number, since it uses as much as digits as its factorization.

23010002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742258164.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23010002123 its reverse (32120001032), we get a palindrome (55130003155).

The spelling of 23010002123 in words is "twenty-three billion, ten million, two thousand, one hundred twenty-three".