23653121356 has 12 divisors (see below), whose sum is σ = 43571539480. Its totient is φ = 11204110080.

The previous prime is 23653121341. The next prime is 23653121389. The reversal of 23653121356 is 65312135632.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155612565 + ... + 155612716.

Almost surely, 2^23653121356 is an apocalyptic number.

It is an amenable number.

23653121356 is a deficient number, since it is larger than the sum of its proper divisors (19918418124).

23653121356 is a wasteful number, since it uses less digits than its factorization.

23653121356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311225304 (or 311225302 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

Adding to 23653121356 its reverse (65312135632), we get a palindrome (88965256988).

The spelling of 23653121356 in words is "twenty-three billion, six hundred fifty-three million, one hundred twenty-one thousand, three hundred fifty-six".