23331021412 has 48 divisors (see below), whose sum is σ = 42086444400. Its totient is φ = 11313561600.

The previous prime is 23331021401. The next prime is 23331021437. The reversal of 23331021412 is 21412013332.

It can be written as a sum of positive squares in 8 ways, for example, as 326019136 + 23005002276 = 18056^2 + 151674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3916228 + ... + 3922180.

It is an arithmetic number, because the mean of its divisors is an integer number (876800925).

Almost surely, 2^23331021412 is an apocalyptic number.

It is an amenable number.

23331021412 is a deficient number, since it is larger than the sum of its proper divisors (18755422988).

23331021412 is a wasteful number, since it uses less digits than its factorization.

23331021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6254 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23331021412 its reverse (21412013332), we get a palindrome (44743034744).

The spelling of 23331021412 in words is "twenty-three billion, three hundred thirty-one million, twenty-one thousand, four hundred twelve".