23213322501 has 16 divisors (see below), whose sum is σ = 31626033984. Its totient is φ = 15139764224.

The previous prime is 23213322479. The next prime is 23213322521. The reversal of 23213322501 is 10522331232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23213322501 - 2³¹ = 21065838853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213322521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155196 + ... + 265541.

It is an arithmetic number, because the mean of its divisors is an integer number (1976627124).

Almost surely, 2^23213322501 is an apocalyptic number.

It is an amenable number.

23213322501 is a deficient number, since it is larger than the sum of its proper divisors (8412711483).

23213322501 is a wasteful number, since it uses less digits than its factorization.

23213322501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421140.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23213322501 its reverse (10522331232), we get a palindrome (33735653733).

The spelling of 23213322501 in words is "twenty-three billion, two hundred thirteen million, three hundred twenty-two thousand, five hundred one".