23331044121 has 64 divisors (see below), whose sum is σ = 39225047040. Its totient is φ = 11982781440.

The previous prime is 23331044119. The next prime is 23331044131. The reversal of 23331044121 is 12144013332.

It is a happy number.

It is not a de Polignac number, because 23331044121 - 2¹ = 23331044119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23331044091 and 23331044100.

It is not an unprimeable number, because it can be changed into a prime (23331044131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13651015 + ... + 13652723.

It is an arithmetic number, because the mean of its divisors is an integer number (612891360).

Almost surely, 2^23331044121 is an apocalyptic number.

23331044121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23331044121 is a deficient number, since it is larger than the sum of its proper divisors (15894002919).

23331044121 is a wasteful number, since it uses less digits than its factorization.

23331044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23331044121 its reverse (12144013332), we get a palindrome (35475057453).

The spelling of 23331044121 in words is "twenty-three billion, three hundred thirty-one million, forty-four thousand, one hundred twenty-one".