23012212033 has 8 divisors (see below), whose sum is σ = 23221749096. Its totient is φ = 22803580800.

The previous prime is 23012212019. The next prime is 23012212039. The reversal of 23012212033 is 33021221032.

It can be written as a sum of positive squares in 4 ways, for example, as 419717169 + 22592494864 = 20487^2 + 150308^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23012212033 - 2⁵ = 23012212001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23012212033.

It is not an unprimeable number, because it can be changed into a prime (23012212039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175366 + ... + 277087.

It is an arithmetic number, because the mean of its divisors is an integer number (2902718637).

Almost surely, 2^23012212033 is an apocalyptic number.

It is an amenable number.

23012212033 is a deficient number, since it is larger than the sum of its proper divisors (209537063).

23012212033 is a wasteful number, since it uses less digits than its factorization.

23012212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452915.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23012212033 its reverse (33021221032), we get a palindrome (56033433065).

The spelling of 23012212033 in words is "twenty-three billion, twelve million, two hundred twelve thousand, thirty-three".