23212031344 has 40 divisors (see below), whose sum is σ = 46130152640. Its totient is φ = 11310969600.

The previous prime is 23212031303. The next prime is 23212031347. The reversal of 23212031344 is 44313021232.

It is a super-2 number, since 2×23212031344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212031347) 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, 2712 + ... + 215479.

It is an arithmetic number, because the mean of its divisors is an integer number (1153253816).

Almost surely, 2^23212031344 is an apocalyptic number.

It is an amenable number.

23212031344 is a deficient number, since it is larger than the sum of its proper divisors (22918121296).

23212031344 is a wasteful number, since it uses less digits than its factorization.

23212031344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218369 (or 218363 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23212031344 its reverse (44313021232), we get a palindrome (67525052576).

The spelling of 23212031344 in words is "twenty-three billion, two hundred twelve million, thirty-one thousand, three hundred forty-four".