23223155432 has 32 divisors (see below), whose sum is σ = 44804330280. Its totient is φ = 11279673600.

The previous prime is 23223155429. The next prime is 23223155443. The reversal of 23223155432 is 23455132232.

It can be written as a sum of positive squares in 4 ways, for example, as 22558237636 + 664917796 = 150194^2 + 25786^2 .

It is a super-2 number, since 2×23223155432² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 228323 + ... + 313970.

Almost surely, 2^23223155432 is an apocalyptic number.

It is an amenable number.

23223155432 is a deficient number, since it is larger than the sum of its proper divisors (21581174848).

23223155432 is a wasteful number, since it uses less digits than its factorization.

23223155432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542453 (or 542449 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

Adding to 23223155432 its reverse (23455132232), we get a palindrome (46678287664).

The spelling of 23223155432 in words is "twenty-three billion, two hundred twenty-three million, one hundred fifty-five thousand, four hundred thirty-two".