23020212431 has 16 divisors (see below), whose sum is σ = 24705160704. Its totient is φ = 21372810624.

The previous prime is 23020212419. The next prime is 23020212437. The reversal of 23020212431 is 13421202032.

It is a cyclic number.

It is not a de Polignac number, because 23020212431 - 2⁶ = 23020212367 is a prime.

It is a super-2 number, since 2×23020212431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020212437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951770 + ... + 975656.

It is an arithmetic number, because the mean of its divisors is an integer number (1544072544).

Almost surely, 2^23020212431 is an apocalyptic number.

23020212431 is a deficient number, since it is larger than the sum of its proper divisors (1684948273).

23020212431 is a wasteful number, since it uses less digits than its factorization.

23020212431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24670.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23020212431 its reverse (13421202032), we get a palindrome (36441414463).

The spelling of 23020212431 in words is "twenty-three billion, twenty million, two hundred twelve thousand, four hundred thirty-one".