213423433004 has 24 divisors (see below), whose sum is σ = 384022976400. Its totient is φ = 103709163456.

The previous prime is 213423432973. The next prime is 213423433019. The reversal of 213423433004 is 400334324312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692354 + ... + 951945.

It is an arithmetic number, because the mean of its divisors is an integer number (16000957350).

Almost surely, 2^213423433004 is an apocalyptic number.

It is an amenable number.

213423433004 is a deficient number, since it is larger than the sum of its proper divisors (170599543396).

213423433004 is a wasteful number, since it uses less digits than its factorization.

213423433004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645217 (or 1645215 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 213423433004 its reverse (400334324312), we get a palindrome (613757757316).

The spelling of 213423433004 in words is "two hundred thirteen billion, four hundred twenty-three million, four hundred thirty-three thousand, four".