23404313020 has 48 divisors (see below), whose sum is σ = 54137760768. Its totient is φ = 8428023360.

The previous prime is 23404313017. The next prime is 23404313027. The reversal of 23404313020 is 2031340432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23404312982 and 23404313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404313027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493764 + ... + 539083.

It is an arithmetic number, because the mean of its divisors is an integer number (1127870016).

Almost surely, 2^23404313020 is an apocalyptic number.

23404313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404313020 is an abundant number, since it is smaller than the sum of its proper divisors (30733447748).

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

23404313020 is a wasteful number, since it uses less digits than its factorization.

23404313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032970 (or 1032968 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23404313020 its reverse (2031340432), we get a palindrome (25435653452).

The spelling of 23404313020 in words is "twenty-three billion, four hundred four million, three hundred thirteen thousand, twenty".