23420133420 has 48 divisors (see below), whose sum is σ = 65611811328. Its totient is φ = 6241993920.

The previous prime is 23420133413. The next prime is 23420133437. The reversal of 23420133420 is 2433102432.

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, 7485 + ... + 216555.

It is an arithmetic number, because the mean of its divisors is an integer number (1366912736).

Almost surely, 2^23420133420 is an apocalyptic number.

23420133420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23420133420 is an abundant number, since it is smaller than the sum of its proper divisors (42191677908).

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

23420133420 is a wasteful number, since it uses less digits than its factorization.

23420133420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210950 (or 210948 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23420133420 its reverse (2433102432), we get a palindrome (25853235852).

The spelling of 23420133420 in words is "twenty-three billion, four hundred twenty million, one hundred thirty-three thousand, four hundred twenty".