23211331010653 has 4 divisors (see below), whose sum is σ = 24220519315488. Its totient is φ = 22202142705820.

The previous prime is 23211331010629. The next prime is 23211331010713. The reversal of 23211331010653 is 35601013311232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211331010653 is a prime.

It is a super-2 number, since 2×23211331010653² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211331610653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504594152383 + ... + 504594152428.

It is an arithmetic number, because the mean of its divisors is an integer number (6055129828872).

Almost surely, 2^{23211331010653} is an apocalyptic number.

23211331010653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23211331010653 is a deficient number, since it is larger than the sum of its proper divisors (1009188304835).

23211331010653 is a wasteful number, since it uses less digits than its factorization.

23211331010653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009188304834.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 23211331010653 its reverse (35601013311232), we get a palindrome (58812344321885).

The spelling of 23211331010653 in words is "twenty-three trillion, two hundred eleven billion, three hundred thirty-one million, ten thousand, six hundred fifty-three".