23405343452 has 6 divisors (see below), whose sum is σ = 40959351048. Its totient is φ = 11702671724.

The previous prime is 23405343427. The next prime is 23405343469. The reversal of 23405343452 is 25434350432.

It is a happy number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2925667928 + ... + 2925667935.

It is an arithmetic number, because the mean of its divisors is an integer number (6826558508).

Almost surely, 2^23405343452 is an apocalyptic number.

It is an amenable number.

23405343452 is a deficient number, since it is larger than the sum of its proper divisors (17554007596).

23405343452 is a wasteful number, since it uses less digits than its factorization.

23405343452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851335867 (or 5851335865 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 23405343452 its reverse (25434350432), we get a palindrome (48839693884).

The spelling of 23405343452 in words is "twenty-three billion, four hundred five million, three hundred forty-three thousand, four hundred fifty-two".