23211131434 has 16 divisors (see below), whose sum is σ = 35152636608. Its totient is φ = 11493651232.

The previous prime is 23211131431. The next prime is 23211131491. The reversal of 23211131434 is 43413111232.

It is a junction number, because it is equal to n+sod(n) for n = 23211131399 and 23211131408.

It is not an unprimeable number, because it can be changed into a prime (23211131431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791742 + ... + 820534.

It is an arithmetic number, because the mean of its divisors is an integer number (2197039788).

Almost surely, 2^23211131434 is an apocalyptic number.

23211131434 is a deficient number, since it is larger than the sum of its proper divisors (11941505174).

23211131434 is a wasteful number, since it uses less digits than its factorization.

23211131434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32669.

The product of its digits is 1728, while the sum is 25.

Adding to 23211131434 its reverse (43413111232), we get a palindrome (66624242666).

The spelling of 23211131434 in words is "twenty-three billion, two hundred eleven million, one hundred thirty-one thousand, four hundred thirty-four".