23404629420 has 72 divisors (see below), whose sum is σ = 72725627520. Its totient is φ = 6089007360.

The previous prime is 23404629371. The next prime is 23404629491. The reversal of 23404629420 is 2492640432.

23404629420 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 4 + 629 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1578300 + ... + 1593059.

It is an arithmetic number, because the mean of its divisors is an integer number (1010078160).

Almost surely, 2^23404629420 is an apocalyptic number.

23404629420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404629420 is an abundant number, since it is smaller than the sum of its proper divisors (49320998100).

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

23404629420 is a wasteful number, since it uses less digits than its factorization.

23404629420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171415 (or 3171410 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 23404629420 in words is "twenty-three billion, four hundred four million, six hundred twenty-nine thousand, four hundred twenty".