23210123 has 4 divisors (see below), whose sum is σ = 23435568. Its totient is φ = 22984680.

The previous prime is 23210111. The next prime is 23210149. The reversal of 23210123 is 32101232.

It is a happy number.

23210123 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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 23210123 - 2⁸ = 23209867 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23210098 and 23210107.

It is not an unprimeable number, because it can be changed into a prime (23210323) 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, 112568 + ... + 112773.

It is an arithmetic number, because the mean of its divisors is an integer number (5858892).

Almost surely, 2^23210123 is an apocalyptic number.

23210123 is a deficient number, since it is larger than the sum of its proper divisors (225445).

23210123 is a wasteful number, since it uses less digits than its factorization.

23210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225444.

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

The square root of 23210123 is about 4817.6885536531. The cubic root of 23210123 is about 285.2501056804.

Adding to 23210123 its reverse (32101232), we get a palindrome (55311355).

It can be divided in two parts, 2 and 3210123, that multiplied together give a palindrome (6420246).

The spelling of 23210123 in words is "twenty-three million, two hundred ten thousand, one hundred twenty-three".