23554211213 has 16 divisors (see below), whose sum is σ = 26896067520. Its totient is φ = 20447634816.

The previous prime is 23554211203. The next prime is 23554211231. The reversal of 23554211213 is 31211245532.

It is a cyclic number.

It is not a de Polignac number, because 23554211213 - 2¹⁰ = 23554210189 is a prime.

It is a super-2 number, since 2×23554211213² (a number of 22 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 (23554211203) 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, 314195 + ... + 381872.

It is an arithmetic number, because the mean of its divisors is an integer number (1681004220).

Almost surely, 2^23554211213 is an apocalyptic number.

It is an amenable number.

23554211213 is a deficient number, since it is larger than the sum of its proper divisors (3341856307).

23554211213 is a wasteful number, since it uses less digits than its factorization.

23554211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696236.

The product of its digits is 7200, while the sum is 29.

Adding to 23554211213 its reverse (31211245532), we get a palindrome (54765456745).

The spelling of 23554211213 in words is "twenty-three billion, five hundred fifty-four million, two hundred eleven thousand, two hundred thirteen".