12023013331 has 8 divisors (see below), whose sum is σ = 14021007200. Its totient is φ = 10305439704.

The previous prime is 12023013329. The next prime is 12023013337. The reversal of 12023013331 is 13331032021.

It is not a de Polignac number, because 12023013331 - 2¹ = 12023013329 is a prime.

It is a super-2 number, since 2×12023013331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023013299 and 12023013308.

It is not an unprimeable number, because it can be changed into a prime (12023013337) 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, 17525916 + ... + 17526601.

It is an arithmetic number, because the mean of its divisors is an integer number (1752625900).

Almost surely, 2^12023013331 is an apocalyptic number.

12023013331 is a deficient number, since it is larger than the sum of its proper divisors (1997993869).

12023013331 is an frugal number, since it uses more digits than its factorization.

12023013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35052538 (or 35052524 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12023013331 its reverse (13331032021), we get a palindrome (25354045352).

The spelling of 12023013331 in words is "twelve billion, twenty-three million, thirteen thousand, three hundred thirty-one".