23230121311 has 8 divisors (see below), whose sum is σ = 23706658800. Its totient is φ = 22758373440.

The previous prime is 23230121309. The next prime is 23230121333. The reversal of 23230121311 is 11312103232.

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 23230121311 - 2¹ = 23230121309 is a prime.

It is a super-2 number, since 2×23230121311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230121711) 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, 1187605 + ... + 1207006.

It is an arithmetic number, because the mean of its divisors is an integer number (2963332350).

Almost surely, 2^23230121311 is an apocalyptic number.

23230121311 is a deficient number, since it is larger than the sum of its proper divisors (476537489).

23230121311 is a wasteful number, since it uses less digits than its factorization.

23230121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394809.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23230121311 its reverse (11312103232), we get a palindrome (34542224543).

The spelling of 23230121311 in words is "twenty-three billion, two hundred thirty million, one hundred twenty-one thousand, three hundred eleven".