23400422444 has 12 divisors (see below), whose sum is σ = 46800844944. Its totient is φ = 10028752464.

The previous prime is 23400422431. The next prime is 23400422503. The reversal of 23400422444 is 44422400432.

23400422444 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417864659 + ... + 417864714.

It is an arithmetic number, because the mean of its divisors is an integer number (3900070412).

Almost surely, 2^23400422444 is an apocalyptic number.

It is an amenable number.

23400422444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23400422444 is a wasteful number, since it uses less digits than its factorization.

23400422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835729384 (or 835729382 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 23400422444 its reverse (44422400432), we get a palindrome (67822822876).

The spelling of 23400422444 in words is "twenty-three billion, four hundred million, four hundred twenty-two thousand, four hundred forty-four".