23229400331 has 2 divisors, whose sum is σ = 23229400332. Its totient is φ = 23229400330.

The previous prime is 23229400303. The next prime is 23229400339. The reversal of 23229400331 is 13300492232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23229400331 - 2¹⁰ = 23229399307 is a prime.

It is a super-2 number, since 2×23229400331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23229400294 and 23229400303.

It is not a weakly prime, because it can be changed into another prime (23229400339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11614700165 + 11614700166.

It is an arithmetic number, because the mean of its divisors is an integer number (11614700166).

Almost surely, 2^23229400331 is an apocalyptic number.

23229400331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23229400331 is an equidigital number, since it uses as much as digits as its factorization.

23229400331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 23229400331 its reverse (13300492232), we get a palindrome (36529892563).

The spelling of 23229400331 in words is "twenty-three billion, two hundred twenty-nine million, four hundred thousand, three hundred thirty-one".