23056223542 has 16 divisors (see below), whose sum is σ = 38040174864. Its totient is φ = 10480100400.

The previous prime is 23056223471. The next prime is 23056223543. The reversal of 23056223542 is 24532265032.

It is a junction number, because it is equal to n+sod(n) for n = 23056223498 and 23056223507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056223543) 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, 4327959 + ... + 4333282.

It is an arithmetic number, because the mean of its divisors is an integer number (2377510929).

Almost surely, 2^23056223542 is an apocalyptic number.

23056223542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23056223542 is a deficient number, since it is larger than the sum of its proper divisors (14983951322).

23056223542 is an equidigital number, since it uses as much as digits as its factorization.

23056223542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661276 (or 8661254 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 23056223542 its reverse (24532265032), we get a palindrome (47588488574).

The spelling of 23056223542 in words is "twenty-three billion, fifty-six million, two hundred twenty-three thousand, five hundred forty-two".