23215233532 has 12 divisors (see below), whose sum is σ = 40631101056. Its totient is φ = 11606347520.

The previous prime is 23215233527. The next prime is 23215233577. The reversal of 23215233532 is 23533251232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23215233494 and 23215233503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275548 + ... + 349795.

It is an arithmetic number, because the mean of its divisors is an integer number (3385925088).

Almost surely, 2^23215233532 is an apocalyptic number.

It is an amenable number.

23215233532 is a deficient number, since it is larger than the sum of its proper divisors (17415867524).

23215233532 is a wasteful number, since it uses less digits than its factorization.

23215233532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634628 (or 634626 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

Adding to 23215233532 its reverse (23533251232), we get a palindrome (46748484764).

The spelling of 23215233532 in words is "twenty-three billion, two hundred fifteen million, two hundred thirty-three thousand, five hundred thirty-two".