23212034431631 has 2 divisors, whose sum is σ = 23212034431632. Its totient is φ = 23212034431630.

The previous prime is 23212034431543. The next prime is 23212034431681. The reversal of 23212034431631 is 13613443021232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23212034431631 - 2⁴² = 18813987920527 is a prime.

It is a super-2 number, since 2×23212034431631² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23212034431591 and 23212034431600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212034431681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606017215815 + 11606017215816.

It is an arithmetic number, because the mean of its divisors is an integer number (11606017215816).

Almost surely, 2^{23212034431631} is an apocalyptic number.

23212034431631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212034431631 is an equidigital number, since it uses as much as digits as its factorization.

23212034431631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 23212034431631 its reverse (13613443021232), we get a palindrome (36825477452863).

The spelling of 23212034431631 in words is "twenty-three trillion, two hundred twelve billion, thirty-four million, four hundred thirty-one thousand, six hundred thirty-one".